In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?

whenever kf titration is done that time one result is high and second one lower results what to do.

1662

principle of AAS & its uses ?

1977

uv,ri,pda detactor principles ?

759

What is the formula to determine the concentration of M of a
solution given the % transmittance? Use %T = 43.7 as an example.

715

plz tall me that any pharmacopeia and guideline is par meted
to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter
calibration

483

Assuming that the density of the solution is the same as the density of water (density of water=1.000g/ml), calculate the mass of water for both reactions using: mass of water = Volume of water Density of water.
Mass of water =

609

What can be the supporter of combustion except oxygen.

661

What is the calibration procedure for Malvern MS2000
particle size analyzer and acceptance criteria?

741

What is the accepted microbial load in APIs as per
USP.........?

648

why we use 254nm for caffeine analysis as it having maxima at different wavelength?

1087

what is the purge flow & how to calculate

447

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?

2801

How to synthesize methylene bisthiocyanate using CH2Cl2 and
NaSCN?