Answer / guest

to aviod ion reaction

what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

0 Answers  

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Why triethylamine and o-phosphoric acid used while setting pH of mobile phase during HPLC Analysis?

6 Answers   Hapten Healthcare, Pharmaceutical,

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what is dissolution

6 Answers   DRL,

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Why pH range is maximum 14.0

6 Answers   UPL,

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what is the differnce between GMP and CGMP

7 Answers   Shilpa Medicare,

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

0 Answers  

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why hexadecane is used in calibration of FID IN GC THERE IS NO REMAINING SOLVENTS

1 Answers   DRL, Hetero, MSN,

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What is unit of KF?

7 Answers   ZCL,

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what is differance between volatile and non volatile compound expalin by exaple

2 Answers  

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what is difference between drug products and drug substance?

5 Answers   DRL,

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For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

0 Answers  

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we calibrate HPLC once in 6 months while iam doing calibration i came to know that calibration was failed. then how can i justify that the samples analyzed on the system during this 6 months was wright? how can i forward in to the next step for those batches?

5 Answers  

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