How to choose the which salt is suitable for mobilephase

3175

What is the main difference between ODS1 and ODS2 Hplc column.

5122

If vendor having more imp than monograph then how to proceed? and how to set spec?

846

Why use only methanol,used determinationof moisture content not use other solvents

1361

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?

1837

in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

717

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?

4003

how to get accurate result for Residue on evaporation in purified water

1579

what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR

9180

WHY given much noise PDA dector then VWD Dector

2049

in OSD forms require to use gas chromatography?

777

What is a difference between potency and purity?

1156

in dissolution why pool sample needed? in which type of drug pool sample need?

3135

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2649

why we are using benzene, anyline in acetic anhdride assay titration method?

2063