Answer Posted / punnitharaja

Gc analyze only for residual solvents means here using
flame ionization detector at a time so many solvents
analyzing temperature program also here.HPLC at a time not
using so many solvents because here column using polar or
non polar but GC using like midpolar also. Main reason is
dissolving process in mobile phase because polar and
nonpolar nature

analytical method validation require to with respect to release specification or shelf life specification?

284

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Why are use silicon oil mr?

751

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why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2348

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what is mean by dissolution biowaiver study?

330

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which are the sizes of capsules?

410

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why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?

8923

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If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

319

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How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

281

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could negative ions be produced by bombardment process in mass spectrometry?

1297

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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

2716

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2477

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in which situation ion pair require to use?

281

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in hplc chromatogram started from left to right and in uv spectrum started from left to right

471

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how to select short coloum and long coloumn for new molecule

1822

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What is the requirement for brazil in the analytical method vslidation comparr to ich?

276

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