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?
Answer Posted / jilajeet yadav
Because 2% calcium carbonat impurities
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
how you determine moist.of NaOH sol or NaOH flacks
cefoperozone and sulbactam inj. hplc test method
please explain about aluminium hydroxide assay
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
why we are using benzene, anyline in acetic anhdride assay titration method?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
mode of absorption in alimentary canal?
how you fix the limits of impurities?
what is mean by 40 in the dissolution basket mesh size?
why digestion require in icpms?
what are risk assement in the analytical qbd?
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
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 fix the sample conc. in Related substances test by HPLC?