why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?2 2501
cefoperozone and sulbactam inj. hplc test method1266
what is the difference between loss on drying in ordinary oven technique and vacuum oven technique4 11129
what is the difference between the Purity and Potency of drug substance1 8685
what is the difference between LOSS ON DRYING IN ORDINARY OVEN TECHNIQUE AND VACUUM OVEN TECHNIQUE6 17886
why we are using only lead standard solution for Heavy metals test? what is the purpose of this?4 9419
what is the difference between the ordinary loss on drying technique and vacuum oven technique?1 6199
what is the difference between gc& hplc. why we r not calculating purity by gc for final products5 11954
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
What is the main difference between ODS1 and ODS2 Hplc column.
Qc interview questions
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
why are measure gas flow " ml " in Gas chromatography
Why potassium dichromate is used in calibration of uv?
Why dissolution test is not performed in all of the products
What is column in chromatography?
Identify problem faced when mass spectroscopy is used with HPLC system ?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
how can I make the copper get white bye any salt or acit?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
about method developement in hplc