Answer / rajender

potassium dichromate(130 centigrade 2 hrs drying) is a primary standard and it does not degrades upon longterm exposure to U.V , it appears in multiple wavelength regions

How to select buffer for HPLC mobile phase

4 Answers   Cadila, Cipla, Lupin,

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in loss on drying Why follows on constant weight not more than 0.5 mg, any region

1 Answers   Biocon,

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why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

3 Answers   Reddy Labs,

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wen v have polr solvent then which type of column use in hplc

2 Answers  

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What is gelatinization?

0 Answers   Nestle,

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what is the difference between heavy metals and sulphated ash

2 Answers   Aurobindo,

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in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.

2 Answers   Glenmark, Neuland,

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Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

3 Answers   Reddy Labs,

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what does pH stand for?

4 Answers   Orchid,

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Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?

1 Answers   Vimta Labs,

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how std. of znso4

1 Answers  

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Which detector is used in uv-vis spectrophotometer?

1 Answers   Glenmark,

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