Why only Copper standard is used to calibrate Atomic
Absorption spectrophotometer?
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What is difference btw UV detector & RID detector
why we are using benzene, anyline in acetic anhdride assay titration method?
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?
What is Threshold in hplc?
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?
Which is the best mobile phase to separate organic acids using C8 column. And how should the samples be prepared for hplc?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
0 Answers Srini Pharmaceuticals,
What is linearity in HPLC and how will you test?
What is the difference between Chromatograhic Purity And Related substances
Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.
What is pooled sample in Dissolution
2 Answers Graviti Pharmaceuticals, Lupin,
what split ratio in gas chromatography.