Sir please give me sometime because I am suffering from some health problem. Video has already been recorded, probably by this Sunday I will try, thanks for watching and showing your concern
Xylenol Orange Indicator; [3H-2,1-Benzoxathiol-3-ylidenebis-(6-hydroxy- 5-methyl-m-phenylene )methylenenitrilo ]tetra acetic acid S,S-dioxide Tetrasodium Salt: C3IH28N2NH2OI3S=760.60 General laboratory reagent grade of commerce. Reddish brown, crystalline powder; gives a violet color with mercury, lead, zinc and certain other metal ions, in alkaline solutions. When metal ions are absent, for example in the presence of an excess of disodium edetate, the solution is yellow. XylenolOrange Mixture Indicator; Xylenol Orange Triturate Indicator: Triturate 1 part of xylenol orange with 99 parts of potassium nitrate. Complies with the following test. SENSITIVITY - Add 50 mg to a mixture of 50 ml of water, 1 ml of 2 M acetic acid and 0.05 ml of lead nitrate solution. Add sufficient hexamine to change the color from yellow to violet red. Add 0.1 ml of 0.1 M disodium edetate; the color changes to yellow. Xylenol Orange Indicator Solution: Mix 0.1 g of xylenol orange with 100 ml of water and filter, if necessary. Read more at: www.pharmaguideline.com/2010/09/preparation-of-indicator-solutions.html?m=1 please check for details on this website
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Mam can u explain the calibration of the conductormetre elico company instrument
Sir please give me sometime because I am suffering from some health problem. Video has already been recorded, probably by this Sunday I will try, thanks for watching and showing your concern
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How to prepare xylenol orange indicator
Xylenol Orange Indicator; [3H-2,1-Benzoxathiol-3-ylidenebis-(6-hydroxy- 5-methyl-m-phenylene )methylenenitrilo ]tetra acetic acid S,S-dioxide Tetrasodium Salt: C3IH28N2NH2OI3S=760.60 General laboratory reagent grade of commerce. Reddish brown, crystalline powder; gives a violet color with mercury, lead, zinc and certain other metal ions, in alkaline solutions. When metal ions are absent, for example in the presence of an excess of disodium edetate, the solution is yellow. XylenolOrange Mixture Indicator; Xylenol Orange Triturate Indicator: Triturate 1 part of xylenol orange with 99 parts of potassium nitrate. Complies with the following test. SENSITIVITY - Add 50 mg to a mixture of 50 ml of water, 1 ml of 2 M acetic acid and 0.05 ml of lead nitrate solution. Add sufficient hexamine to change the color from yellow to violet red. Add 0.1 ml of 0.1 M disodium edetate; the color changes to yellow. Xylenol Orange Indicator Solution: Mix 0.1 g of xylenol orange with 100 ml of water and filter, if necessary.
Read more at: www.pharmaguideline.com/2010/09/preparation-of-indicator-solutions.html?m=1 please check for details on this website
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