[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

250

is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

1558

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2312

If combination product how require to identify which imp is of which api?

236

WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

1995

Why potassium dichromate is used in calibration of uv?

1269

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

204

before starting analytical method valodation what you checking? and how giving preference to start validation?

240

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

2640

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

1176

how decide the clining method and cleaning method validation require for this perticular products?

226

if rsd failed then what require to do?

255

Please give idea about method development for cleaning method and how maco level establish

194

why we use glass fiber filters use in some situation?

254

For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?

1150