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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What is the procedure for the calibration of ph meter?

1 Answers   IBS,

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What is the Calcultion of S/N Ratio.

2 Answers  

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What is the principle of Thermal conductivity detector and FID?

0 Answers   Cipla,

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difference between quality and quantity

3 Answers  

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How does HPLC Calculate Void volume?

1 Answers   Lupin,

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what is main use of primary standards in caliration

2 Answers   Lee Pharma, Lupin, Nectar Lifesciences,

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Hello Dear all; I have a technical question related to analytical Chemistry, I have a sample of (40% w/w) Ferric Chloride solution (for water treatment purposes which consist a little portions of Ferrous Chloride and Hydrochloric acid. I need to know the methods to determine the percentages of each Ferrous Chloride and Chloride acid. Also I want to make sure that this solution is truly (40% w/w). So ANY CLUE !!! Thanks in advance.

2 Answers  

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what is internal standard define

2 Answers   Apex, Coromandel International Limited, Hikma Pharmaceuticals, IPCA,

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How to prepare 1000ppm methylene blue solution

2 Answers  

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principle of UV , PDA , RI detector in HPLC

0 Answers   Dr Reddys,

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what is the need of calulation of RRF of impurity in HPLC analysis?

9 Answers  

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