for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol1 3426
we run the same sample in same method in different flow rates in HPLC,any changes in sample analysis?2 4580
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?2219
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?797
if the flow rate is increases then any changes in retention time in hplc1 5159
what is the limit of Correlation for IR test compare to the standard and test3 5438
IS THERE ANYWHERE MENTION THAT THE RE PROCESS BATCH REQUIRE TO KEPT STABILITY STYDY2 3525
stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?2 3458
how to correct peak when peak comes broader in shape? How to do calibration of HPLC?2 5065
Which is the highly polar and highly non polar column in HPLC?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
In performance Check of GC Why Hexadecane Peak is Considered
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
Difference between hlaf and rlaf
Tell me about analytical method validation in QC
Why irmoisture balance is used for corrugated box moisture testing
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
WHAT IS THE USE OF STARTER ?????????
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?