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Answer Posted / mahesh
Sodium lamp as well as Mercury lamp.Both are used for
different wavelengths.
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Why potassium dichromate is used in calibration of uv?
Tell me about analytical method validation in QC
what is mean by ambient temperature?
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
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.
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
Did anybody have method for acetyl cysteine effervescnce tablet
for which product require to do content uniformity? what is limit of cu?
what are the guidelines for analytical method validations?
What is the Formula for coreletion coefficient in plhplc calibration
what is mean by dissolution biowaiver study?
give clarity of linearity and range in method validation
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
What is similarity factor?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
