What is the principle of Thermal conductivity detector and FID?
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how do start hplc method development? how much sample required for developing the method development?
3 Answers BMS, Cipla, Indoco Remedies, Sun Pharma,
what is the difference b/w water content & moisture content
What is a difference between potency and purity?
What is Rf value& Rx value in TLC?
How to use RF and rrf in Rs calculation( either multiply or divide)?
When i inject amines and acid on HPLC then which peak will elut first?
What is boiling point ? & Explain.
suppose i give three compounds A,B,C how do u calculate assay of those three componds which method do u prefer
how many types of Proceing methods?
why plane of polarized light rotated by opticaly active compunds?
Why we use holmium oxide,perchloric acid for uv/vis calibration
4 Answers Cipla, Orchid, Ratiopharm,
what does optical rotation and specific rotataion means,difference between them