Answer Posted / gopal

Potassium hydrogren phthalate is easily available in pure
form. It is not hygroscopic in nature.

From where require to take the RLD sample?

806

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what is the origin to prepare standard operating procedure

2405

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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

1654

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in sampling of raw material which side is pasted sampled labels

1888

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1900

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how can I make the copper get white bye any salt or acit?

2268

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How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

3264

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from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2328

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why require to add enzymes in capsules dissolution only? is it require to tablet also?

727

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

735

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how you start RS method development when for new product?

780

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Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1906

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1691

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what is the disso medium for tropsiun chloride

2314

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if you given one product then which tests you will perform?

750

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