how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.1103
What is the pilot-plant in pharma sector.885
What is blank titration of potentiometrically.2 7122
which solution used for detecting factor of k.f.titroter except water3 6082
in dissolution why pool sample needed? in which type of drug pool sample need?1748
in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.2 5995
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.940
What is the difference between spectro meter and spectro photo meter?1 8185
How do u differentiate primary1 1209
WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?2 7260
WILL YOU DRY DST BEFORE FACTOR DETERMINATION BY USING KARL FISHER TITRATOR4 7425
iam usig ph buffers merk. manually how to prepare ?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
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?
How to estimate potassium?
what is separation techniques.
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
What is the calibration of uv process and preparation
sop of a uv visible spectrophotometer double beam elico model
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
cefoperozone and sulbactam inj. hplc test method
Why potassium dichromate is used in calibration of uv?
Did anybody have method for acetyl cysteine effervescnce tablet
why does used dry caffien in HPLC calibration?