Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?3 5096
what is internal standard define2 1394
What are the parameters for the method development of Gas Chromatography and GC-HS?2 2859
how much mass should be there in volumetric flask while in preparation of sample for assay?1137
U have 4 strengths have different coating meterial which one u chose to do forced degradation stady in validation1 1882
Tell me about analytical method validation in QC1789
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
How to define samples weight in moisture content
Why potassium dichromate was using in Uv calibration?
why does used dry caffien in HPLC calibration?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
why are measure gas flow " ml " in Gas chromatography
What are modes of quantification in related substances
what type of question will ask in the interview of lab chemist.
mahagenco syllabus for the post of chemist
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.
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?