what is partion and column chromatography

0 Answers   Emcure,

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From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?

2 Answers   Nectar Lifesciences,

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What is diffrence between extractable volume and deliverable volume? Answer pls

0 Answers  

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Any molecule is filing for ANDA purpose, what are the dissolution requirements / specifications needed ?

1 Answers   IPCA,

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What is the Deference between Bulk density & Tap density ?

2 Answers   Hikma Pharmaceuticals, Neuland, Reddy Labs,

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How did you conclude that when stressing a compond, all degradation products have eluted in chromatogram?

7 Answers   Matrix,

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What are the limits for uniformity dosage content for tablets and capsules

5 Answers   Micro Labs,

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verification of wave number why you are use in IR calibration

2 Answers  

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How to prepare ppm solution of Nacl form its salt?

5 Answers  

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Why using Holmium oxide in UV calibration

8 Answers   Dr Reddys, Matrix, Nakoda Chemicals, Orchid,

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what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

0 Answers   Neuland,

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In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?

4 Answers  

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