why you are using benzoic acid for water content
determination in TEA
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Answer / ravikumar vasam
tea means amine so amines does not react with benzoic acid
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Answer / arvind kotadiya
TEA is basic and bezoic acid is used to neutralized the
media. for stability. so.............
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how PH an important role in HPLC separation
Explain the relations between number of carbon atoms in alkanes and retention time ?
0 Answers College School Exams Tests,
What is the pilot-plant in pharma sector.
How we choose the mobile phase for method development.?
why do we have to used saturated ammonia in TLC
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
what is specificity?
4 Answers Amneal Pharmaceuticals, Aurobindo,
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
wt is rsd in and explain
How to set specification of assay, fisdolution and related substances?
Why monograph of hplc coming upperside of drift but in IR monograph coming in drift side?