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is there any material other than caffene to calibrate hplc
detector
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What is similarity factor and its use in api strength?
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?
how many types of balance calibration test?
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
what are risk assement in the analytical qbd?
what is mean by 40 in the dissolution basket mesh size?
why holium oxide prepared in 10% HCLO4 SOLUTION
What is mean by PDR?
what is third integration
how much mass should be there in volumetric flask while in preparation of sample for assay?
if you have given a blank water how you analyse by general analytical techniques?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
why require to do water content for drug product?
what type of question will ask in the interview of lab chemist.
What is delay volume?
