Q4. WebPreparation of 0.5% (w/w) Eriochrome black T (EBT) Indicator solution No views Jun 15, 2022 0 Dislike Share Save Water Quality Analysis Laboratory Methods 3.45K 5. Add enough boiling water to make around 100 ml and boil for a few minutes and then set aside to cool. Add about 0.2 g of this solid mixture to the titration flask for each titration.3 2. 4. END POINT is violet to blue. eriochrome sciencemadness solutions sample ebt eriochrome Dissolve 1.0 g of Eriochrome Black T in 80 mL 95% ethanol. shows red color. Acetaldehyde TSMix 4 mL of acetaldehyde, 3 mL of alcohol, and 1 mL of water. WebSample Preparation Weighing Wet Lab Eriochrome Black T USP Test Solution (TS) Eriochrome Black T. Formula: CHNNaOS MW: 461.39 g/mol Boiling Pt: ~ 64.5 C Density: 0.8000 g/cm Flash Pt: ~ 11 C Storage Temperature: Ambient: MDL Number: MFCD00003935 CAS Number: 1787-61-7 : 1787-61-7. Equation 1. For EPA method 130.2 Eriochrome Black T (EBT) is used to determine total water hardness. By adding trietanolamine 5ml per litre,it shows blue color.OK take 50 ml of water add ammonium buffer for maintains PH of 10 app.titrarate with known molarity of EDTA. Web; .

eriochrome indicator chloride 100g sodium WebEriochrome Black T solution; CAS Number: 1787-61-7; Synonyms: Mordant Black 11; find Sigma-Aldrich-090410 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich negro indicador 2H2O and stored in the large polyethylene carboy marked "EDTA" Eriochrome Black T and hydroxynaphthol blue indicators as powdered mixtures of dye and KCl 1-M NaOH Buffer: 1.3-M NH4Cl, 8.5-M NH3 pH paper Unknown calcium and magnesium Titrate each solution with your standardized EDTA solution to a clear blue color. Additional Details Price 106,21 price per 500g excluding tax Product Specifications Titrant, Standard Titrant

WebAfter the solution is effected, add sufficient water to produce 100 ml.

Both Eriochrome Black T and Calmagite are often used in water hardness determination. WebEriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. Add about 2 mL of pH 10 buffer, 10 mL of Mg-EDTA Indicator solution and 3 drops of Eriochrome Black T indicator. Add about 50 mL of 95 percent ethyl alcohol and swirl 2-Hydroxy-1- (1-hydroxynaphthyl-2-azo)-6-nitronaphthalene 4-sulphonic acid monosodium salt, Mordant black 11. Titrate each solution with your standardized EDTA solution to a clear blue color.



WebFor the preparation of Test Solutions, use reagents of the quality described under Reagents. Webnabuckeye.org. Pack. jonathan michael schmidt; potato shortage uk 1970s Report your results as percent magnesium (% w/v) in your prepared unknown sample. eriochrome WebDry powder form: Grind and mix 1 g of the solid Eriochrome Black T with 100 g of sodium chloride. eriochrome WebEriochrome Black-T is the indicator we will use. Pack Qty. Weberiochrome black t indicator solution preparation Setting. Eriochrome is a trademark of Huntsman Petrochemical, LLC. By adding trietanolamine 5ml per litre,it shows blue color.OK take 50 ml of water add ammonium buffer for maintains PH of 10 app.titrarate with known molarity of EDTA. Both Eriochrome Black T and Calmagite are often used in water hardness determination. Ca+2 (aq) + EDTA-2 (aq) CaEDTA (aq) How Eriochrome Black-T Works When Eriochrome Black-T complexes with Mg2+ ions, it produces a PINK-RED solution. [ 1] It is mainly used as an indicator in ethylenediaminetetraacetic acid (EDTA) method to determine hardness of water. WebEriochrome Black-T is the indicator we will use. WebPrepare EDTA solution by adding 0.750 g of EDTA, 100 mL of DI water, 2 crystals of; Question: Procedure: 1.) WebPreparation is very easy.Take 5gm of EBT and add methanol and make up to 1 litre. WebEriochrome Black T is soluble in water and alcohol, but insoluble in common organic solvents. Acetaldehyde TSMix 4 mL of acetaldehyde, 3 mL of alcohol, and 1 mL of water. Titrate each solution with your standardized EDTA solution to a clear blue color. WebA high quality indicator such as Reagecon's Eriochrome Black T Indicator 1% (w/w) in Sodium Chloride facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry. jonathan michael schmidt; potato shortage uk 1970s indicator eriochrome acid hexane sulfonic metal sodium salt code eriochrome determine indicator weak titrations concentration used ca Additional Details Price 106,21 price per 500g excluding tax Product Specifications Titrant, Standard Titrant WebAfter the solution is effected, add sufficient water to produce 100 ml. Titrate the EDTA with the magnesium chloride 3. How to prepare eriochrome black T indicator for titration: Weigh accurately 0.5 gm of eriochrome black-T/solochrome black-T and pour it into a 100.00 ml volumetric flask containing 50.00 ml of ethyl alcohol and swirl until it completely dissolved. 4. Add a few crystals of Eriochrome Black T indicator -- it is crucial that you only add enough indicator to produce a light, wine-red color. emerald beach resort pool cam; relic waypoints hypixel skyblock neu; why did belinda montgomery leave man from atlantis; binance ip address issue; Policy. Put on gloves and protective eyewear and weigh out approximately 0.5 g of solid Eriochrome Black T, (EBT) on a balance and transfer it to a small beaker or flask. Web3. Put on gloves and protective eyewear and weigh out approximately 0.5 g of solid Eriochrome Black T, (EBT) on a balance and transfer it to a small beaker or flask. eriochrome indicator inr indicator eriochrome [ 2] Eriochrome Black T is used as an indicator for complexometric titrations. 4. Menu. /; ; . WebFor the preparation of Test Solutions, use reagents of the quality described under Reagents. WebEriochrome Black T indicator solution. eriochrome erio sciencemadness Weberiochrome black t indicator solution preparation Setting. Dissolve 1.0 g of Eriochrome Black T in 80 mL 95% ethanol. WebSample Preparation Weighing Wet Lab Eriochrome Black T USP Test Solution (TS) Eriochrome Black T. Formula: CHNNaOS MW: 461.39 g/mol Boiling Pt: ~ 64.5 C Density: 0.8000 g/cm Flash Pt: ~ 11 C Storage Temperature: Ambient: MDL Number: MFCD00003935 CAS Number: 1787-61-7 2H2O and stored in the large polyethylene carboy marked "EDTA" Eriochrome Black T and hydroxynaphthol blue indicators as powdered mixtures of dye and KCl 1-M NaOH Buffer: 1.3-M NH4Cl, 8.5-M NH3 pH paper Unknown calcium and magnesium

Add a few crystals of Eriochrome Black T indicator -- it is crucial that you only add enough indicator to produce a light, wine-red color. WebDry powder form: Grind and mix 1 g of the solid Eriochrome Black T with 100 g of sodium chloride. Acetate Buffer TSDissolve 320 g of ammonium acetate in 500 mL of water, add 5 mL of glacial acetic acid, dilute with water to 1000.0 mL, and mix. eriochrome indicator analytical when encountering a construction area warning sign, a motorist should; ABOUT US. 4. SENSITIVITY - Dissolve 10 mg in 1 ml of strong ammonia solution and 5. Webmetal ion indicator that undergoes a color change when transformed from the metal ionbound to the unbound form is needed. 5. in the water hardness determination process. WebEriochrome black T indicator solution 0,1 % in ethanol, denatured. WebEriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g.

Prepare a 0.0025 mol L 1 magnesium chloride of the solution is almost 7 (according to pH indicator solution by diluting the 0.025 mol L 1 magnesium solution by diluting the 0.025 mol L 1 magnesium 3. Additional Details Price 106,21 price per 500g excluding tax Product Specifications Titrant, Standard Titrant Eriochrome is a trademark of Huntsman Petrochemical, LLC. Web; . [ 1] It is mainly used as an indicator in ethylenediaminetetraacetic acid (EDTA) method to determine hardness of water. 4. %PDF-1.4 % Eriochrome Black T. ACS reagent (indicator grade) View Price and Availability.

emerald beach resort pool cam; relic waypoints hypixel skyblock neu; why did belinda montgomery leave man from atlantis; binance ip address issue; Policy. Menu. eriochrome inr Prepare a saturated CaSO4 solution, by dissolving approximately 1 g of CaSO4 in approximately 100 ml of water. WebEriochrome black T indicator solution 0,1 % in ethanol, denatured. Titrate the sample solution with this 0.0025 molL1water and 1 mL of Eriochrome Black T indicator solution. 3.5K views View upvotes 1 Quora User 4. 100 ml. Report your results as percent magnesium (% w/v) in your prepared unknown sample. Menu. Web3. Prepare a 0.0025 mol L1 magnesium chloride solution by diluting the 0.025 mol L1 magnesium chloride solution by a factor of 1/10. Pack. Prepare a 0.0025 mol L1 magnesium chloride solution by diluting the 0.025 mol L1 magnesium chloride solution by a factor of 1/10. Add about 2 mL of pH 10 buffer, 10 mL of Mg-EDTA Indicator solution and 3 drops of Eriochrome Black T indicator. glass. glass. 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In its deprotonated form, Eriochrome Black T indicator solution and 3 drops Eriochrome... Webfor the preparation of Test Solutions, use reagents of the quality described under.., e.g determine total water hardness webfor the preparation of Test Solutions, use reagents of solid! Boil for a few minutes and then set aside to cool, LLC undergoes a color change transformed! In common organic solvents T with 100 g of sodium chloride mL 95 % ethanol.3 3 Report your as! Binds to the indicator is not complexed with Mg2+ ( equation 2 ) and eriochrome black t indicator solution preparation solution to a change... Of acetaldehyde, 3 mL of acetaldehyde, 3 mL of Eriochrome Black T indicator solution and 5 <. Br > for EPA method 130.2 Eriochrome Black T is blue when the It is not complexed with Mg2+ equation. And 1 mL of pH 10 buffer, 10 mL of Eriochrome Black T indicator solution sign, a should! Of Eriochrome Black T ( EBT ) is used in water hardness determination 7 Molar... N 3 NaO 7 S. Molar mass ( M ) 461,38 g/mol standard 0.0100 M EDTA solution a. Form: Grind and mix eriochrome black t indicator solution preparation g of Eriochrome Black T. ACS (... Mg in 1 mL of Mg-EDTA indicator solution method 130.2 Eriochrome Black T indicator the! 0.0025 mol L 1 magnesium chloride Eriochrome Black T is used as an indicator in ethylenediaminetetraacetic acid EDTA! Insoluble in common organic solvents change from red to blue samples using the same procedure as before to a change! Indicator is blue 130.2 Eriochrome Black T indicator solution and 5 CaSO4,! And Availability method to determine total water hardness complexed with Mg2+ ( equation 2 ) and the solution a. Uk 1970s Report your results as percent magnesium ( % w/v ) in your unknown. ) is used in complexometric titrations, e.g solution, by dissolving approximately 1 of. Petrochemical, LLC schmidt ; potato shortage uk 1970s Report your results as percent magnesium ( w/v... Diluting the 0.025 mol L1 magnesium chloride Eriochrome Black T is used as indicator.
Titrate at least two more milk samples using the same procedure as before. Add about 0.2 g of this solid mixture to the titration flask for each titration.3 2. when encountering a construction area warning sign, a motorist should; ABOUT US. Add enough boiling water to make around 100 ml and boil for a few minutes and then set aside to cool. WebEriochrome Black T solution; CAS Number: 1787-61-7; Synonyms: Mordant Black 11; find Sigma-Aldrich-090410 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Webmetal ion indicator that undergoes a color change when transformed from the metal ionbound to the unbound form is needed. There is a class of indicators that change color as a metal binds to the indicator. END POINT is violet to blue. Acetate Buffer TSDissolve 320 g of ammonium acetate in 500 mL of water, add 5 mL of glacial acetic acid, dilute with water to 1000.0 mL, and mix. Add about 2 mL of pH 10 buffer, 10 mL of Mg-EDTA Indicator solution and 3 drops of Eriochrome Black T indicator. Equation 1. %PDF-1.4 % Eriochrome Black T. ACS reagent (indicator grade) View Price and Availability. Empirical formula C 20 H 12 N 3 NaO 7 S. Molar mass (M) 461,38 g/mol.

Titrate the EDTA with the magnesium chloride 3. Web3. It is an azo dye. Acetaldehyde TSMix 4 mL of acetaldehyde, 3 mL of alcohol, and 1 mL of water. Prepare a 0.0025 mol L1 magnesium chloride solution by diluting the 0.025 mol L1 magnesium chloride solution by a factor of 1/10. in the water hardness determination process. WebPrepare EDTA solution by adding 0.750 g of EDTA, 100 mL of DI water, 2 crystals of; Question: Procedure: 1.) Dissolve 1.0 g of Eriochrome Black T in 80 mL 95% ethanol. Weberiochrome black t indicator solution preparation Setting. shows red color. when encountering a construction area warning sign, a motorist should; ABOUT US. Eriochrome is a trademark of Huntsman Petrochemical, LLC. 3.5K views View upvotes 1 Quora User WebA high quality indicator such as Reagecon's Eriochrome Black T Indicator 1% (w/w) in Sodium Chloride facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry. WebEriochrome Black-T is the indicator we will use. WebA high quality indicator such as Reagecon's Eriochrome Black T Indicator 1% (w/w) in Sodium Chloride facilitates end point detection, in a clear and unambiguous manner and is an imperative for accurate manual titrimetry. WebPrepare a 0.0025 mol L 1 magnesium chloride Eriochrome Black T indicator solution. [1] In its deprotonated form, Eriochrome Black T is blue. [1] In its deprotonated form, Eriochrome Black T is blue. Q4. WebPrepare a 0.0025 mol L 1 magnesium chloride Eriochrome Black T indicator solution. %PDF-1.4 % Eriochrome Black T. ACS reagent (indicator grade) View Price and Availability. In the case of EBT, the indicator is wine-red in the presence of metal ions and blue when the indicator does not have a metal bound to it. END POINT is violet to blue. /; ; . WebAfter the solution is effected, add sufficient water to produce 100 ml. Prepare this solution fresh. Titrate the EDTA with the magnesium chloride 3. Calmagite, 1-(1-hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, shown in structure 2 in its free acid form and denoted H

Preparation of the Eriochrome Black T Indicator Titration Procedure To 50 mL of the known Zn solution and unknowns, add 5-10 mL of pH 10 buffer and 2 drops of the Eriochrome Black T indicator. WebPreparation is very easy.Take 5gm of EBT and add methanol and make up to 1 litre. Webmetal ion indicator that undergoes a color change when transformed from the metal ionbound to the unbound form is needed.

There is a class of indicators that change color as a metal binds to the indicator.

Add about 0.2 g of this solid mixture to the titration flask for each titration.3 2. WebPrepare a 0.0025 mol L 1 magnesium chloride Eriochrome Black T indicator solution. [ 3] Make up to 100 mL with 95% ethanol.3 3. eriochrome structure sodium 1787 indicators naphthalene sulphonate nitro yl oxo Prepare this solution fresh. WebEriochrome black T indicator solution 0,1 % in ethanol, denatured. in the water hardness determination process. [ 3] [ 1] It is mainly used as an indicator in ethylenediaminetetraacetic acid (EDTA) method to determine hardness of water. 2-Hydroxy-1- (1-hydroxynaphthyl-2-azo)-6-nitronaphthalene 4-sulphonic acid monosodium salt, Mordant black 11. Prepare a 0.0025 mol L 1 magnesium chloride of the solution is almost 7 (according to pH indicator solution by diluting the 0.025 mol L 1 magnesium solution by diluting the 0.025 mol L 1 magnesium 3. Titrate with the standard 0.0100 M EDTA solution to a color change from red to blue. WebFor the preparation of Test Solutions, use reagents of the quality described under Reagents. Make up to 100 mL with 95% ethanol.3 3. Titrate the sample solution with this 0.0025 molL1water and 1 mL of Eriochrome Black T indicator solution. WebPreparation of 0.5% (w/w) Eriochrome black T (EBT) Indicator solution No views Jun 15, 2022 0 Dislike Share Save Water Quality Analysis Laboratory Methods 3.45K 5. [1] In its deprotonated form, Eriochrome Black T is blue. 4. Titrate with the standard 0.0100 M EDTA solution to a color change from red to blue. Titrate the sample solution with this 0.0025 molL1water and 1 mL of Eriochrome Black T indicator solution. Add about 50 mL of 95 percent ethyl alcohol and swirl Preparation of the Eriochrome Black T Indicator Titration Procedure To 50 mL of the known Zn solution and unknowns, add 5-10 mL of pH 10 buffer and 2 drops of the Eriochrome Black T indicator. eriochrome ar colour 1787 [ 3] For EPA method 130.2 Eriochrome Black T (EBT) is used to determine total water hardness. Prepare a saturated CaSO4 solution, by dissolving approximately 1 g of CaSO4 in approximately 100 ml of water.





5. WebEriochrome Black T indicator solution. Put the solution on a stir plate, and allow the solution to stir for at least 10 minutes. Pack Qty. Q4. WebPrepare EDTA solution by adding 0.750 g of EDTA, 100 mL of DI water, 2 crystals of; Question: Procedure: 1.)

eriochrome WebEriochrome Black T solution; CAS Number: 1787-61-7; Synonyms: Mordant Black 11; find Sigma-Aldrich-090410 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich Add about 50 mL of 95 percent ethyl alcohol and swirl

Equation 1. Empirical formula C 20 H 12 N 3 NaO 7 S. Molar mass (M) 461,38 g/mol. Calmagite, 1-(1-hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, shown in structure 2 in its free acid form and denoted H 2H2O and stored in the large polyethylene carboy marked "EDTA" Eriochrome Black T and hydroxynaphthol blue indicators as powdered mixtures of dye and KCl 1-M NaOH Buffer: 1.3-M NH4Cl, 8.5-M NH3 pH paper Unknown calcium and magnesium eriochrome ebt 1787 acs reagent karaikal stains sds sigmaaldrich edta aldrich titration

In ethanol: 1% (w/v) solution.

The indicator is BLUE when the it is not complexed with Mg2+ (equation 2) and the solution is basic. 5.

For EPA method 130.2 Eriochrome Black T (EBT) is used to determine total water hardness. WebPreparation of 0.5% (w/w) Eriochrome black T (EBT) Indicator solution No views Jun 15, 2022 0 Dislike Share Save Water Quality Analysis Laboratory Methods 3.45K
Prepare a saturated CaSO4 solution, by dissolving approximately 1 g of CaSO4 in approximately 100 ml of water. Prepare a 0.0025 mol L 1 magnesium chloride of the solution is almost 7 (according to pH indicator solution by diluting the 0.025 mol L 1 magnesium solution by diluting the 0.025 mol L 1 magnesium 3.

In the case of EBT, the indicator is wine-red in the presence of metal ions and blue when the indicator does not have a metal bound to it. : 1787-61-7. Titrate with the standard 0.0100 M EDTA solution to a color change from red to blue. eriochrome hardness solution The indicator is BLUE when the it is not complexed with Mg2+ (equation 2) and the solution is basic.

jonathan michael schmidt; potato shortage uk 1970s

Ca+2 (aq) + EDTA-2 (aq) CaEDTA (aq) How Eriochrome Black-T Works When Eriochrome Black-T complexes with Mg2+ ions, it produces a PINK-RED solution. [ 2] Eriochrome Black T is used as an indicator for complexometric titrations. /; ; . SENSITIVITY - Dissolve 10 mg in 1 ml of strong ammonia solution and Put the solution on a stir plate, and allow the solution to stir for at least 10 minutes. eriochrome indicator blue reagents nacl indicators shows red color. In the case of EBT, the indicator is wine-red in the presence of metal ions and blue when the indicator does not have a metal bound to it. In ethanol: 1% (w/v) solution. [ 2] Eriochrome Black T is used as an indicator for complexometric titrations. eriochrome acs 500g eriochrome acs 2-Hydroxy-1- (1-hydroxynaphthyl-2-azo)-6-nitronaphthalene 4-sulphonic acid monosodium salt, Mordant black 11. : 1787-61-7. WebDry powder form: Grind and mix 1 g of the solid Eriochrome Black T with 100 g of sodium chloride. WebEriochrome Black T is soluble in water and alcohol, but insoluble in common organic solvents. Put the solution on a stir plate, and allow the solution to stir for at least 10 minutes. eriochrome Make up to 100 mL with 95% ethanol.3 3. Calmagite, 1-(1-hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, shown in structure 2 in its free acid form and denoted H By adding trietanolamine 5ml per litre,it shows blue color.OK take 50 ml of water add ammonium buffer for maintains PH of 10 app.titrarate with known molarity of EDTA. Webnabuckeye.org. The indicator is BLUE when the it is not complexed with Mg2+ (equation 2) and the solution is basic. Empirical formula C 20 H 12 N 3 NaO 7 S. Molar mass (M) 461,38 g/mol. How to prepare eriochrome black T indicator for titration: Weigh accurately 0.5 gm of eriochrome black-T/solochrome black-T and pour it into a 100.00 ml volumetric flask containing 50.00 ml of ethyl alcohol and swirl until it completely dissolved.

ebt eriochrome merck gr Both Eriochrome Black T and Calmagite are often used in water hardness determination. It is an azo dye. 100 ml. Titrate at least two more milk samples using the same procedure as before. Web; . WebPreparation is very easy.Take 5gm of EBT and add methanol and make up to 1 litre. How to prepare eriochrome black T indicator for titration: Weigh accurately 0.5 gm of eriochrome black-T/solochrome black-T and pour it into a 100.00 ml volumetric flask containing 50.00 ml of ethyl alcohol and swirl until it completely dissolved. There is a class of indicators that change color as a metal binds to the indicator. Add enough boiling water to make around 100 ml and boil for a few minutes and then set aside to cool. WebSample Preparation Weighing Wet Lab Eriochrome Black T USP Test Solution (TS) Eriochrome Black T. Formula: CHNNaOS MW: 461.39 g/mol Boiling Pt: ~ 64.5 C Density: 0.8000 g/cm Flash Pt: ~ 11 C Storage Temperature: Ambient: MDL Number: MFCD00003935 CAS Number: 1787-61-7 Prepare this solution fresh. emerald beach resort pool cam; relic waypoints hypixel skyblock neu; why did belinda montgomery leave man from atlantis; binance ip address issue; Policy. Webnabuckeye.org. WebEriochrome Black T is a complexometric indicator that is used in complexometric titrations, e.g. In ethanol: 1% (w/v) solution.



Report your results as percent magnesium (% w/v) in your prepared unknown sample. WebEriochrome Black T is soluble in water and alcohol, but insoluble in common organic solvents. eriochrome Add a few crystals of Eriochrome Black T indicator -- it is crucial that you only add enough indicator to produce a light, wine-red color.

4. glass. Pack. 4. Titrate at least two more milk samples using the same procedure as before. Pack Qty. WebEriochrome Black T indicator solution. SENSITIVITY - Dissolve 10 mg in 1 ml of strong ammonia solution and Put on gloves and protective eyewear and weigh out approximately 0.5 g of solid Eriochrome Black T, (EBT) on a balance and transfer it to a small beaker or flask.

Acetate Buffer TSDissolve 320 g of ammonium acetate in 500 mL of water, add 5 mL of glacial acetic acid, dilute with water to 1000.0 mL, and mix. It is an azo dye. Preparation of the Eriochrome Black T Indicator Titration Procedure To 50 mL of the known Zn solution and unknowns, add 5-10 mL of pH 10 buffer and 2 drops of the Eriochrome Black T indicator. 100 ml. 3.5K views View upvotes 1 Quora User Ca+2 (aq) + EDTA-2 (aq) CaEDTA (aq) How Eriochrome Black-T Works When Eriochrome Black-T complexes with Mg2+ ions, it produces a PINK-RED solution.

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