why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?2 2258
cefoperozone and sulbactam inj. hplc test method1203
what is the difference between loss on drying in ordinary oven technique and vacuum oven technique4 10771
what is the difference between the Purity and Potency of drug substance1 8363
what is the difference between LOSS ON DRYING IN ORDINARY OVEN TECHNIQUE AND VACUUM OVEN TECHNIQUE6 17135
why we are using only lead standard solution for Heavy metals test? what is the purpose of this?4 8927
what is the difference between the ordinary loss on drying technique and vacuum oven technique?1 5939
what is the difference between gc& hplc. why we r not calculating purity by gc for final products5 11629
What is diffrence between extractable volume and deliverable volume? Answer pls
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
Identify problem faced when mass spectroscopy is used with HPLC system ?
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
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 we can determine water content in piperazine
in dissolution why pool sample needed? in which type of drug pool sample need?
why we are using hexane in calibration of number of drop per mL