if v use HELIUM & ARGON instead of NITROGEN as a mobile phase what happen in GC SYSTEM ?5 9985
why we are using polystyrene film for calibration of I.R spectroscopy?12 54808
why we cannot analysis below 200nm in u.v?2 12320
significane of detector wavelength accrucy in calibration of hplc1 4704
signifcance of detector lenearity in calibration f hplc3 6474
verification of wave number why you are use in IR calibration2 5935
control of resolution in calibration of IR3 7345
defination of wavelength & wave number4 10794
what is difference between IR & FTIR ? how we calibarte both ? I want to know the procedure.7 85743
which brands HPLC COLUMN available in market11 16685
What are modes of quantification in related substances
What is importance of pH in the Heavy metal test and How it effect on the test results?
Why we check moisture,ash & AIA in product
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
why does used dry caffien in HPLC calibration?
how can give the expiry period and restadardisation of volumetric solution
sop of a uv visible spectrophotometer double beam elico model
How do we fix the sample concentaryion in hplc method development?
How to fix the sample conc. in Related substances test by HPLC?
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
What is the diference between residual solvents and organic volatile matter
how to calibrate hplc & gc
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
What are the primary considerations in extractables and Leachables ?