Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?

1 Answers   Micro Labs, Mistair,

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Why we are having specification 100% above in case of assay as there is only 100% of compound?

2 Answers   MSN Pharma, Nectar Lifesciences,

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Basic principle of ESI?

0 Answers   Cipla, GVK,

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On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...

9 Answers   Cipla, Laurus, Micro Labs,

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What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

0 Answers   Natco,

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difference between record & document ?

4 Answers  

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in hplc calibration injector linearity pass,it means inj and det is good. why to perform detector linearity is it required, if it is required,what is difference between injector and detector linearity in hplc calibration

4 Answers   Dr Reddys, Hetero,

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

0 Answers  

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what is the value of pH

11 Answers   Reddy Labs,

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plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration

2 Answers   Torrent Pharma,

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What is the difference between Optical rotation and Spcefic optical rotation

2 Answers   IPCA, Matrix,

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today i am doing calibration of HPLC. when i inject the blank it was going on -ve.(bleow then zero) why?

3 Answers  

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