Answer / sri krishna

both the techniques gives loss on drying but vacuum oven
technique is used for the compound which cannot sustain the
high temperatures used in ordinary oven technique

Answer / mahesh

for hygroscopic nature type sample we use vaccume
oven...hygroscpic means which is effect on drying...

Answer / 103536

Loss on drying ordinary oven means it is drying on products nature . It's only
drying with steam. And vacuum oven drying with vacuum and steam.

Answer / srikar_22

if the sample melting temperature is less than the boiling point of the solvents used in the manufacturing process then vacuum oven is preferred with out effecting the sample we get lod if not normal oven preferred

is there any material other than caffene to calibrate hplc detector

13 Answers   Biocon,

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What is gelatinization?

0 Answers   Nestle,

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what is assay in hplc

3 Answers  

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what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)

1 Answers  

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What is related substance by HPLC impurity limits as per USP?

0 Answers  

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How to calculate mass balance in RS after degradation

1 Answers   Reddy Labs,

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0 Answers  

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what is the purpose of Buffer in any titration?Ex:In determination of hardness of water we use ammonia ammoniachloride buffer in titration with EDTA.Why?

13 Answers   Amity, Prakriti, Sr Comunications,

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What is difference between the working standard and reference standard?

1 Answers  

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in what basis wavelength will select for a compound at initial method development trials

4 Answers   Matrix,

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Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?

1 Answers   Orchid,

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What is linearity in hplc and how to calibration

1 Answers   Aurobindo,

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