Answer / k.raveendra reddy

weigh accurately about 0.8 g of anhydrous Sodium Carbonate, previously heated at about 270°C for 1 hour. Dissolve it in 100 ml of water and add 0.1 ml of methyl red solution. Add the acid slowly from a burette, with constant stirring, until the solution becomes faintly pink.

How can we Qualify a unknown impurity by HPLC

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acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

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If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

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why cone formation during dissolution?

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What is Impuriteis?

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What is Specificity ?

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I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

9 Answers   Midas Technologies,

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