Why pH range is 1-14 nt more than 14???

3 Answers   IPCA, Lincoln Pharmaceuticals,

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mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)

1 Answers  

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How to calibrate glassware against std calibrated glassware?

3 Answers   Cadila, Hetero,

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hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me

3 Answers   Arch Pharmalabs, Natco,

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How to calculate %w/w and %v/v of a component(or solvent)by NMR

1 Answers   ACME, Vimta Labs,

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How to prepare ppm solution of Nacl form its salt?

5 Answers  

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What is the difference between Paddle and Basket Why we are using Basket or paddle in dissolution.

7 Answers   Apotex, Cipla, GSK, Intas, Zydus Cadila,

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why base line not start from zoro in GC Chromatograme.

1 Answers   Merck,

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ash or residue in that what will be there.

3 Answers  

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How do we fix the sample concentaryion in hplc method development. what is the basis?Thanks in advance

4 Answers   DRL, Glenmark, Orchid,

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What is the difference between potentiometry assay and HPLc assay?

2 Answers   Apotex, Aurobindo, Divis Laboratories, Torrent Power,

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What is the difference between Capillary column and Packed column.

7 Answers   Cipla, Hetero, Sun Pharma, Supreme Petrochem,

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