what does 'n' stands for in spectroscopy?give the formula.

0 Answers   Laurus,

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in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

1 Answers   Dishman,

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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 pK & pKa value

3 Answers  

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Why potassium dichromate was using in Uv calibration?

1 Answers  

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Which column is more polar, C8 or C18?

6 Answers   Cipla, Glenmark, Laurus, Torrent Power,

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Hplc detect how much ppm solutions i want range

4 Answers  

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How to check hplc detecter sensitivity?

1 Answers   Gland Pharma,

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Hello Dear all; I have a technical question related to analytical Chemistry, I have a sample of (40% w/w) Ferric Chloride solution (for water treatment purposes which consist a little portions of Ferrous Chloride and Hydrochloric acid. I need to know the methods to determine the percentages of each Ferrous Chloride and Chloride acid. Also I want to make sure that this solution is truly (40% w/w). So ANY CLUE !!! Thanks in advance.

2 Answers  

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How long we can use hygroscopic reference standard in terms of water absorb.I mean in line with respective monograph's specification or more than that?

1 Answers  

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In Karl fischer titrator what medium we can choose to analysing aldehyde and ketone samples by using KF reagent

4 Answers  

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Wath is the differenc between two column HPLC wich have the samme support , lenth , pore size, etc.. But different name .for exemple : Spherisorb / lichrosorb

2 Answers   NDA,

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