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

0 Answers   JBCPL,

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WHAT IS THE USE OF STARTER ?????????

0 Answers   Sharp,

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how does h2so4 prevent oxidation of mohr salt before it is titrated?

1 Answers  

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What is the difference between the working standard and reference standard?

1 Answers  

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in which situation ion pair agent require to use?

0 Answers  

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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using gradient pressure in gas chromatography are not ?using gradient pressure why

0 Answers   Reliance,

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What is the column performance and column efficiency?

1 Answers   Reddy Labs,

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is ther any guidline is available for limt of peak fronting.and what is the limt of peak fronting.

2 Answers  

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In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

2 Answers   Teva Pharmaceuticals,

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why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

1 Answers   Cipla, Elder, Vamsi Labs,

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