1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation
1 101011 why polyesterene film used for ftir calibration ? 2 why k2cr2o7 is used for control of abs in uv ? 3 why holmium oxide used for control of wavelength in uv
3 8808In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?
2 4567Post New Analytical Chemistry Questions
What is the main difference between ODS1 and ODS2 Hplc column.
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
What is third generation HPLC Columns?
what is difference between zero air gas and o2 gas
Qc interview questions
how can give the expiry period and restadardisation of volumetric solution
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
What is the difference between spectro meter and spectro photo meter?
why we use sodium salicylate in uv light calibration at TLC chamber
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?
iam usig ph buffers merk. manually how to prepare ?
