What is the size of capillary tube used for analysing melting point?
when we use pda detector in hplc instead of uv detector
how to prepare 25 ppm acetone. explian with formula
1 % solution is equal to how much ppm
What is the difference between the working standard and reference standard?
if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?
What is method validation in quality control
what is turbidimetric titration?Give 2 examples.
what does pH stand for?
why ph electrode is storing in KCL solution?Why the pH max is 14.0?
how to calibrate AAS ? give me the procedure?
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
What is the difference between high pressure gradient and low pressure gradient in hplc?