Answer Posted / falguni patel
It is simply the time dalay for a gradient change to reach the top of the HPLC column.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
Please give idea about method development for cleaning method and how maco level establish
in which situation require to take incident in validation?
process of Diclofenac sodium,IP.
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
what is definition of validation? which components are followed give detail?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.
what is procedure of actual procedure for registration of drug?
What is the difference between chromatographic purity and related substances?
what is mean by extactable and leachable study?
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?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?