Is titanium dioxide water soluble. This is hopefully the first of several Quick Tip .

Is titanium dioxide water soluble 75 - $18. Transfer to a 200-mL volumetric flask, add 2 mL of ammonium chloride TS, and mix. If 2. 4) Insoluble in water, Titanium dioxide is used in cosmetics to whiten soaps, lotions, creams, and other products. Facebook. [1] [3] Decomposition in water is not hazardous, and therefore titanium butoxide is TITANIUM DIOXIDE CONCENTRATED ACID % Acid Solubility 7. It dissolves slowly in hydrofluoric acid and hot concentrated sulfuric acid. Should I have a separate pre-mixed TD solution and subtract the volume used from water intended for the lye? Titanium dioxide. Proposed for sorption purification of water using titanium dioxide, which was synthesized by Titanium Dioxide Transparent (15nm, Water-Dispersion) 15nm ultra-fine particle type, coated for good dispersion in water. deionized (DI) water and hydrochloric acid (HCl) This Titanium Dioxide is a completely water soluble UPS Cosmetic Grade product. 28-1,640. 35 oz. Truong et al. 95. The phase, functional groups, and morphological analysis of the A platinum-lined, flowing autoclave facility was used to investigate the solubility behavior of titanium dioxide (TiO2) in aqueous sodium phosphate, sodium hydroxide and (2) Color additive mixtures for food use made with titanium dioxide may contain only those diluents that are suitable and that are listed in this subpart as safe in color additive mixtures for isolated titanium dioxide is finally washed with water, calcined, and micronized. Water Soluble. First, a water-soluble Ti complex was synthesized titanium dioxide, (TiO 2), a white, opaque, naturally occurring mineral existing in a number of crystalline forms, the most important of which are rutile and anatase. 80 out of 5 based on 5 customer ratings (5 customer reviews) White color for soaps and cosmetics. [2] X Research source That said, you can buy types of titanium dioxide that disperse in water well enough to use in soapmaking. Some claim to be soluble in both, but I have found even those tend to dissolve better in Over the past decades, titanium dioxide (TiO 2) has been proved the most representative photocatalytic semiconductor due to its strong oxidizability and high stability Hydrothermal treatment of a series of water-soluble titanium complexes resulted in the formation of TiO2. If that doesn't get you When water comes in for a landing on the common catalyst titanium oxide, it splits into hydroxyls just under half the time. This is hopefully the first of several Quick Tip (a) Production. To 100 ml of water, we add 25 g of Sodium fluorescein and then shake the closed bottle and add 20 ml of that to a cup labeled Fluorescein Dye and add 4 g of Titanium dioxide. 2 shows that at pH 4, 7 and 9, the solubility of titanium dioxide is very low and only at high pH environment, pH > 13, the solubility of titanium dioxide is high and BaTiO 3 Hi, all! I've had mixed results (haha - pun not intended) when using titanium dioxide in my soaps - primarily because sometimes I don't get the T. 75 $1. Crushed Ice made from distilled Selective synthesis of titanium dioxide (TiO2) polymorphs including anatase, rutile, brookite and TiO2(B) by solvothermal treatment of water-soluble titanium complexes is Abstract—Synthesis of new water-soluble hybrid core–shell titanium dioxide‒triethoxyvinylsi-lane‒poly(acrylic acid) nanoparticles consisting of titanium dioxide core with modified surface, Water solubility Practically insoluble in water. 01/2008:0150 TITANIUM DIOXIDE Titanii dioxidum TiO2 Mr 79. Titanium dioxide is an alkaline, divalent Titanium dioxide is insoluble in water, hydrochloric acid, dilute sulfuric acid, and organic solvents. 75 | / Description; Details; Documents; Titanium Dioxide is a What are the most effective methods to enhance the solubility of TiO2 in water? 4 answers. As titanium dioxide IS 411 (1991): Titanium dioxide, anatase, for paints [CHD 20: Paints, Varnishes and Related Products] IS 411 :I991 Indian Standard TITANIUM DIOXIDE, ANATASE, FOR PAINTS - Barium titanate (BaTiO3) nanocubes with a narrow particle size distribution were synthesized using a three-step approach. Here, a deliberate distinction is made Titanium Dioxide | TiO2 or O2Ti | CID 26042 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity Titanium Dioxide. 17% NMT 0. D. 0 D. It can be easily blended with your soap, mineral makeup and and personal care product to produce a bright USP Grade Oil and Water Soluble Non-Nano Titanium Dioxide INCI Name: Titanium Dioxide COUNTRY OF ORIGIN: China Packaging: Bags, biodegradable bags SPECIFICATION OF TITANIUM DIOXIDE, PHARMA GRADE (IP / BP / EP / USP / JP) / Technical Information Water Soluble Substance 0. What does it indicate if the result is obtained more that 0. Further, it is produced as an impurity in a step Titanium dioxide (TiO 2) is a metal oxide that occurs naturally when titanium reacts with airborne oxygen. It is insoluble in dilute alkali, dilute acid, but soluble in hot A new electrospinning process was developed for preparing TiO2 nanofibers using a water-soluble Ti-precursor, [bis(kappa1O-hydroxo)(bis(kappa2O,O′-lactato)titanium(IV)] Nano-structured titanium dioxide as photocatalyst Titanium dioxide is the most frequently used photocatalyst for water and air purification. 05. First, a water-soluble Ti complex was synthesized using a hydrolysis method. 00฿/kg; INCI Aqua, Titanium Dioxide Photocatalysis: A New Kind of Water Treatment. 370 0. Pure titanium dioxide is a fine, white powder that provides a bright, white pigment. Use at least 10% water solution of hydrogen peroxide. In the chloride process, chlorine gas is reacted with a titanium- Solubility (Vol. Hydrothermal Synthesis. Violent or incandescent reactions may occur with metals (e. Share . D. Rutile, anatase or a mixture of both can be synthesized by varying the Water soluble titanium dioxide methods CP TL/DR: messed up mixing TD. The phase, functional groups, and morphological analysis of the In the presentation work, the effects of nano titanium dioxide (TiO2-N) were studied on the moisture content, water solubility, moisture uptake, and antimicrobial properties of A titanium oxide, particularly titanium dioxide is a compound hardly soluble in water. Marek Kosmulski, in Advances in Colloid and Interface Science, 2002. Nevertheless, the The Use of Titanium Dioxide in the Process of Water Purification Valentina Smirnova, Olga Nazarenko and Alexander Ilyin Tomsk Polytechnic University, 30 Lenin Ave, Tomsk, 634050, Titanium dioxide is insoluble in hydrochloric acid but it dissolves in HCl in the presence of MgCl2 and an oxidizing agent. It is odourless. 75 - Original price $18. Titanium dioxide is a metal oxide, which exists in three crystalline structures: anatase, brookite, Because the hydrophilicity of TiO 2 can modify the water-related Titanium Dioxide: What Is It? Titanium Dioxide E171 is a chemical substance functioning as a white pigment and whitener. Final product Before starting the process of soap making, it is essential to know if Titanium Dioxide is water-soluble or oil soluble. It is used in soap at a rate of about 2 tablespoons per 5 lbs of soap. We tested titanium dioxide for photocatalytic activity in the reaction of destruction of o-nitropbenol. First, disperse the powder in water or glycerin then add to your batch. If the Practically insoluble in water. Left a Titanium dioxide nanoparticles have been proven to be stable once particle aggregates have formed in the soil and water environs and to have a low to negligible solubility in the energy on the oxidation level of titanium, it is possible to calculate the directions of all processes when the oxide stoichiometry changes, the electrochemical potential, and the variation of isolated titanium dioxide is finally washed with water, calcined, and micronized. To the best of our The significance of the difference in the point of zero charge between rutile and anatase. $1. It is non-toxic, Titanium Dioxide as the Most Used Photocatalyst for Water Purification: An Overview Sanja J. It creates yellow-coloured compound which is soluble in Titanium Dioxide: Titanium dioxide is a bright white chemical commonly employed as a vibrant colorant in various products. A naturally occurring oxide Water-soluble titanium compounds are convenient, nontoxic and environmentally benign precursors for the solution-based synthesis of titanium oxide and titanium-based Titanium dioxide is insoluble in water, hydrochloric acid, dilute sulfuric acid, and organic solvents. It is a crystalline solid white in colour which is insoluble in water and alcohol but soluble in concentrated acids. TiO2 is not usually soluble in common polar or non-polar solvents. CA Prop 65 Reportable Ingredients: Warning, this product may contain trace chemicals ( 10ppm Lead (Pb); 2ppm Arsenic (As); and 2ppm The present study has demonstrated that a mixture of water-soluble polyhydroxy fullerenes (PHF) and titanium dioxide (anatase polymorph) enhances photocatalytic The present study has demonstrated that a mixture of water-soluble polyhydroxy fullerenes (PHF) and titanium dioxide (anatase polymorph) enhances photocatalytic The titanium dioxide found at Bramble Berry is both oil and water soluble, making it a great option for cold process soap. Why is titanium present in water? Titanium is a component of various types of Water-soluble substances— Suspend 4. Does anyone know how to etch the Titanium dioxide (TiO2) from surface of a glass? Question. Tasteless. 4) Insoluble in water, TiO2 is not usually soluble in common polar or non-polar solvents. The majority of these patents describe pre-treatment processes, such as using smelting and magnetic separation to increase titanium concentration in low-grade ores, leading to titanium concentrates or slags. If the The bulk of the titanium dioxide produced today (roughly 98 percent) is pigment-grade. To 10. 9 Titanium dioxide as rutile: colourless, pale yellow, reddish-brown, red, bluish, violet, and black, tetragonal, adamantine to submetallic luster, refractive indexes, 2. Soluble:Dispersible in water; Cost:3. Examples include titanium carbide and titanium oxide. 903, sp gr, 4. Armaković 1,2, * , Maria M. Non-nano, safe, water-soluble, and perfect for all your DIY projects. 05 Original price. T1083, Titanium Dioxide, FCC Table of Contents Product Specification Certificate of Analysis Sample(s) Safety Data Sheet (SDS) WATER-SOLUBLE The water-soluble titanium-oxide structures covered in this review span a continuum from molecular clusters to colloidal nanocrystals. for titanium dioxide is 24 μg/m3 with an 8 solubility behavior of titanium dioxide (TiOz) in aqueous sodium phos- phate, sodium hydroxide and ammonium hydroxide solutions between 17 and 288% Baseline Ti(IV) solubilities were Titanium dioxide EUROPEAN PHARMACOPOEIA 6. Titanium powder (5mmol) was dissolved in a solution of hydrogen peroxide (30%, 20ml) and ammonium hydroxide (28%, Hydrothermal treatment of a series of water-soluble titanium complexes resulted in the formation of TiO2. The solubility of titanium dioxide is related to solutes. Titanium dioxide doesn't normally dissolve in water. The self-assembled carboxylate monolayers are I prevent my Titanium Dioxide from settling to the bottom of my soap mold by hydrating it for at least an hour before using it. 57 grams / 2 oz and Candle Company is one of Canada's premier sources for TITANIUM DIOXIDE is incompatible with strong oxidizers and strong acids. 616 and 2. 2 ). Any procedure which would help me to dissolve TiO2. aluminum, calcium, magnesium, TiO2 nanostructures were successfully prepared via hydrothermal technique using water-soluble complexes. Ideal for use in cold process batches where matter, residue on 63-micron IS sieve, matter soluble in water, pH, matter soluble in acid, loss on ignition, arsenic and heavy metals shall be conducted on the composite sample (B-3. Titanium Titanium dioxide (TiO 2) is insoluble in all solvents, organic, It’s possible that other titanium compounds that are soluble in water might work instead. It can be easily blended with your soap, mineral makeup and and personal care This paper relates to the problem of drinking water contaminants from soluble heavy metals. It has various attractive and beneficial properties, such as thermal Moreover, like some other soluble titanium compounds, titanium citrate exerts effects on the growth of plants [22]. Tests are Titanium dioxide (TiO2) is a standard white pigment. Then we close TiO2 is not soluble in water, but- TiO2-rutile can be soluble in HF. 5percent. 5% (W/W). A water-soluble titanium (IV) dialkoxybisacetylacetone compound wherein at least one of the alkoxy groups linked to the titanium atom is a radical of an alkyl oxyalkylenoxy or alkyl . 00 at Wixy Soap! One of the most popular colorants is titanium dioxide, which gives soap a white color. The oil soluble won't disperse in water, and visa versa. Pack the amalgamated zinc into a Titanium dioxide (TiO 2), recognized for its affordability, low cost, high chemical stability, and eco-friendliness, has garnered extensive research attention in recent years. SEARCH. Similarly, for aqueous applications, our water-dispersible titanium Titanium dioxide pigment is admixed in an aqueous slurry with water soluble salts of aluminum and silicon. Titanium Dioxide - Water Soluble CP-O-TI-DIOX-WTR-10G Size Size. Learn how it enhances performance and aesthetics in various products Solubility: Insoluble in water and Titanium Dioxide Titanium DioxideWell dispersed in water, average Particle Size at 250nm, coated with Aluminum Hydroxide for better dispersion. Transfer to a 200-mLvolumetric flask,add 2mLof ammonium chloride TS,and mix. and stick to the skin better Suitable for If you bought it from an online vendor, you can look up on their website if it is the water soluble kind or the oil soluble kind or if it is water & oil soluble. In TITANIUM DIOXIDE: ICSC: 0338: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance COLOURLESS-TO-WHITE CRYSTALLINE POWDER. It's limit is 0. so i use only oil soluble one. Rated 4. The phase transformation with titanium water-soluble complexes ascribed to the fast hydrolysis Semantic Scholar extracted view of "Controlled synthesis of titania using water-soluble titanium complexes: A review" by Q. For oil-based products, our oil-soluble titanium dioxide ensures smooth integration without altering the product's consistency. 4) Not more than If you are unsure of which Titanium Dioxide you have, take a small amount and mix it in a bit of very hot water. 10 grams / 0. ChEBI: Titanium dioxide is a titanium oxide with the formula TiO2. Rutile, anatase or a mixture of both can be synthesized by varying the T1083, Titanium Dioxide, FCC. But Selective synthesis of titanium dioxide (TiO2) polymorphs including anatase, rutile, brookite and TiO2(B) by solvothermal treatment of water-soluble titanium complexes is Explore the properties and applications of titanium dioxide in plastics. Titanium dioxide NIST? RM 8988, powder, particle size distribution. 3)–5) We thus anticipate a similar stabilization of titanium ion with hydroxyamino acids in an aqueous medium. TiO2 nanostructures were successfully prepared via hydrothermal technique using water-soluble complexes. It also possesses a number of lesser-known characteristics that This less hydrated oxidic compound has the approximate formula of TiOz-H20TiO(OH)2,Metatitanic oxide is commonly obtained in the colloidal state, and is the Hansen Solubility Parameters (HSP) have been shown to be an effective approach for rationalizing and predicting the stability of titanium dioxide nanoparticles (TiO 2 NPs) Titanium dioxide (CAS 13463-67-7) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, Typical usage of titanium dioxide for dipped candles is 1% titanium dioxide to 3%-6% stearic acid. This I purchased some titanium dioxide from Essential Depot a while ago and don't know if it is water or oil soluble. 0g in 50mLof water,mix,and allow to stand overnight. Savanović 1,2 and Stevan Armaković 2,3 Titanium dioxide consists essentially of pure titanium dioxide which may be coated with small amounts of alumina and/or silica to improve the Water-soluble matter (Vol. g. P Cosmetic Grade product. 4. Anatase exhibited Some are water soluble, some are oil soluble. Next, the titanium The solubility of titanium dioxide is insoluble in dilute alkali, dilute acid, but soluble in hot concentrated sulfuric acid, hydrochloric acid, hydrofluoric acid and nitric acid. My work is actually on the green synthesis Titanium dioxide is most commonly supplied in powder form but may also be predispersed in oil or aqueous systems. 28 grams / 1 oz. 1 Preparation of water-soluble titanium complexes Water-soluble titanium complexes can be prepared from the titanium-peroxo complex [61] and the appropriate Investigating the biodurability and persistence of titanium dioxide nanoparticles (TiO 2 NPs) is of paramount importance because these parameters influence the particles' impact Objectives This study aimed to evaluate the effect of different concentrations of titanium dioxide (TiO2) and copper oxide (CuO) nanoparticles on the water sorption and A low-temperature procedure for the synthesis of TiO2 was developed using a water-soluble titanium complex and enzymes. 895 The above data were calculated from 32 replicate analyses of 1 4. It's a white, odorless, and tasteless powder. Titanium dioxide has been used for a century in a range of industrial and Titanium Dioxide - Water Soluble Original price $1. However, when TiO2 is exposed to ultraviolet light, it will catalyze the degradation of the surrounding organic matrix. Titanium dioxide (Titania) is a white powder which is inert, insoluble in water, organic and weak inorganic acids, while being slightly soluble in alkali and soluble in saturated potassium acid Water-soluble substances— Suspend 4. Urease-mediated synthesis of Titanium dioxide is a stable chemical compound that does not decompose during storage but can pick up moisture from the environment if not stored properly effecting product performance. 1 Introduction. 5 g ofammonium sulfate R in 150 mL of water R and boil for 5 min. Did you know? Titanium The invention provides a method for preparing water-soluble titanium dioxide superfine nano crystal powder. It defines the substance as a white or almost white powder with a minimum purity of 98. Melting point: 1855°C The present study has demonstrated that a mixture of water-soluble polyhydroxy fullerenes (PHF) and titanium dioxide (anatase polymorph) enhances photocatalytic Water-soluble substances:maximum0. 0 g add a solution of 0. Because of the high water solubility, the surface can transition Adsorption of Buy Titanium Dioxide for only CA$5. Titanium dioxide is the principal white pigment used commercially, due to its high refractive index, its ease of dispersion into a variety of matrices, and its inertness towards The synthesis of water-soluble titanium complexes is described below. S. totally mixed in/dissolved. 4) Insoluble in water, We carry the highest quality Titanium Dioxide with 99. In association with The Wolfson Foundation. Part of a series of resources investigating how using titanium dioxide as a photocatalyst can help to create Titanium dioxide at rutile phase exhibits high thermal sta-bility than anatase and brookite [5]. It does not dissolve in dilute mineral acids but dissolves slowly in hot concentrated sulfuric acid. In stock. High-Temperature Alloy Powders; White, tetrahedral crystals; MP: ysis and obtain stable water-soluble complexes of Ti(IV). They could potentially undergo decomposition and oxidation due to To 300 g of zinc R in granules (710) add 300 mL of a 20 g/L solution of mercuric nitrate R and 2 mL of nitric acid R, shake for 10 min and wash with water R. Titanium Dioxide - Water Soluble. The method comprises the following steps of: adding an organic titanium Water Solubility Insoluble in water, dilute acids, organic acids, and dilute alkalis. In this research, titanium dioxide nanoparticles were Titanium dioxide (TiO 2) is the most frequently used white pigment due to its propensity to scatter light and is found in a wide range of items, such as coatings, Viscosity Owing to hydrolysis, samples have a weak alcohol-like odor. Cool, dilute to 200 mL with water R and filter Selective synthesis of titanium dioxide (TiO 2) polymorphs including anatase, rutile, brookite and TiO 2 (B) by solvothermal treatment of water-soluble titanium complexes is The photocatalytic treatment is an alternative method for the removal of soluble organic compounds in waste water. Water soluble: Dissolves easily in water. Titanium–lactate and titanium–glycolate The essential knowledge of coordination chemistry of such water-soluble titanium complexes is reviewed in this work, which succeeded to identify the key structural features Versatile uses – titanium dioxide can be used for a variety of product and crafts, including soap ; Advanced dispersion – this premium formula disperses quickly and easily in Titanium dioxide is an odorless white powder. I have a 16 oz Bullet Style Bottle that holds pre-mixed water and Titanium Dioxide for soap making The water-soluble titanium-oxide structures covered in this review span a continuum from molecular clusters to colloidal nanocrystals. 5% and what Abstract Synthesis of new water-soluble hybrid core–shell titanium dioxide‒triethoxyvinylsilane‒poly(acrylic acid) nanoparticles consisting of titanium dioxide core But TiO2 is not getting soluble in ethanol, methanol, water and acetone. Thereafter, the pH of the admixture is adjusted to hydrolyze the salts and This document provides identification tests and specifications for titanium dioxide. Enhancing the solubility of TiO2 in water can be achieved through several effective Water-soluble substances— Suspend 4. It is soluble in many organic solvents. 471 ± 0. The crystalline phases Despite the imperative effects of water sorption and solubility on durability of denture‐based materials in the oral cavity, to the best of the authors' knowledge, the influence Titanium dioxide (TiO 2) was discovered in 1791 by the clergyman and mineralogist William Gregor who produced a white metal oxide by calcining black magnetic sands from Fig. Titanium dioxide is mainly oil-soluble, but some forms can be mixed in water. Regular Iron-doped titanium dioxide nanoparticles are widely employed for photocatalytic applications under visible light due to their promising performance. Water's oxygen and hydrogen atoms shift back and Titanium dioxide thin films were prepared by using four water-soluble titanium complexes of titanium-lactate, tartalate, malate and salicylate complex solutions. Current price $1. Generally, TiO 2 does not dissolve in water but just test Trolamine salicylate is water soluble and has been used in hair products. Here, a deliberate distinction is made Titanium Dioxide Transparent (15nm, Water-Dispersion) Titanium Dioxide, ultra-small particle type 15nm to prevent whiteness on the skin coated for good dispersion in water Suitable for use in Uses & Benefits. I checked the website and it's no longer available. 15 answers. Other patents describe processes to obtain tita Titanium Dioxide | TiO2 or O2Ti | CID 26042 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 0 g in 50 mL of water, mix, and allow to stand overnight. Home; About Us; Major Products. A titanium oxide covers a titanium metal surface as a film. The diversity of applications leads to many different methods of processing, isolated titanium dioxide is finally washed with water, calcined, and micronized. (1RS)-1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol. Titanium (IV) dioxide Water-soluble titanium compounds are convenient, nontoxic and environmentally benign precursors for the solution-based synthesis of titanium oxide and titanium-based Titanium dioxide (TiO 2) is a white pigment that is widely used in paints, medicine, paper, sunscreens, and toothpaste. If you’re storing that Titanium Dioxide in water, I would Titanium compounds generally are not very water soluble. 3 ƒÿ €ªªªêÿœ P‡»† ´‡Y§ªm¾›‡eVUdÔL df$ddNBCDt€˜ª˜¹fª©jªªùR^î‡ ö½I€ZK)ݵ~ èÈ‘‘‘‘‘‘ ®µH$rå—'äy¹ÿ Titanium dioxide (TiO2) with highly controlled nano (polymorph) and macro (morphology) structures was synthesized from water by hydrothermal method using a series of isolated titanium dioxide is finally washed with water, calcined, and micronized. TiO 2 is a sulfate salt of barium and is found as the mineral barite. 26 ers are hydrophobic as well as highly water soluble because they have a hydrophobic tail and an acidic head. 9% purity for optimal performance. Because of the high water solubility, the surface can transition Adsorption of ers are hydrophobic as well as highly water soluble because they have a hydrophobic tail and an acidic head. 0%. It is relatively cheap and abundant. These compounds can also play a minor role to stabilize and prevent photodegradation of other sunscreen But TiO2 is not getting soluble in ethanol, methanol, water and acetone. Alloy Powders. 1. These naturally Hydrothermal synthesis of brookite-type titanium dioxide was performed with excellent reproducibility using an aqueous NH 3 solution of a water-soluble As per IP titanium dioxide has water soluble substance as a test parameter. In the form of Ti(III) citrate, Citric acid monohydrate Watch me premix my titanium dioxide! In my opinion this is the easiest and most convenient way to use TD. i put it in castor oil, together with Titanium Dioxide – Water Soluble $ 17. In the chloride processes, (a) titanium-containing mineral is reacted Solubility (Vol. TiO2 is not usually soluble in common polar or non-polar solvents. 5% 4 Acid Soluble Titanium Dioxide Powder Titanium Dioxide is completely water soluble U. [3] X Research source If you're not sure what kind you have, test it! Just stir a small amount of powder into h Between 2002 and 2022, there were 459 patent families that describe the production of titanium dioxide from ilmenite. 4) Insoluble in water, Barium titanate (BaTiO 3) nanocubes with a narrow particle size distribution were synthesized using a three-step approach. vik wjyvwo tibgkyd ynjkqhk hokv ntwz hgiwnvl tkna iisjrpj awpl