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what is the difference between Tailing Factor & Asymmetry
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how you establish the LOQ?
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?
What is viod volume and peak purity in HPLC?
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 which situation we require to prepare the standard solution from sample in Related substance method?
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
pharma industries oriented
What is importance of pH in the Heavy metal test and How it effect on the test results?
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?
how to calibrate hplc & gc
Why potassium dichromate is used in calibration of uv?
how to calculate elemental impurities?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
What is a difference between potency and purity?
