How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?

6 Answers   NCL,

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1 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv

3 Answers  

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Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

0 Answers  

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For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

0 Answers  

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how you start the solubility study?

0 Answers  

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why RID detector is used for selective materials like Mannitol, Hydroxyethyl Starch and Sorbitol?

5 Answers  

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When recording an IR spectrum in the lab, we take no special precautions to account for the presence of oxygen, nitrogen, or argon in the air. What are the consequences of this?

1 Answers  

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in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

0 Answers  

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what is the difference between melting range & melting point? Which is more significant?

5 Answers  

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Why only lead standard solution is uesd to perform heavy metal test.

2 Answers   Reddy Labs,

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what is a placebo peak

2 Answers   GMP Pharma, Optimus,

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which are the diffrent batches in the pharmaceuticals?

0 Answers  

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