what is full form of RVT1 9232
Defination of ZEEMAN EFFECT in NMR ?2 4357
what is difference between GC & GC-HS9 26579
which brands GC coloumn available in market4 6092
why linerity not use in GC but use in HPLC ?6 9549
How to decide restandardisation due or retest or expiry of Volumetric solutions prepared in wet chemistry lab?
principle of UV , PDA , RI detector in HPLC6956
Tell me something about Vitamin A test method by HPLC1257
How to choose Normal phase or Reverse Phase HPLC method Conditions for given sample?3 9838
why the most API molecule are in the hydrochloride form?1 7091
How to choose concentration of LOQ solutions for RS analysis? Example.
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
How would you decide dissolution medium for NCE compound of class I drug
why octanol used to determine the partition coefficient ?
What is diffrence between extractable volume and deliverable volume? Answer pls
in dissolution why pool sample needed? in which type of drug pool sample need?
What is third generation HPLC Columns?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
explain 5 components of gas chromatography ?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
pharma industries oriented
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
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.
how can I make the copper get white bye any salt or acit?