please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development412
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?462
How can we calculate offset value pH measurment285
What is stray light in uv what are units for stray light331
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio413
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...381
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?412
How to check hplc detecter sensitivity?339
How to estimate potassium?1 360
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
in dissolution why pool sample needed? in which type of drug pool sample need?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
What is gelatinization?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
How to choose concentration of LOQ solutions for RS analysis? Example.
if you have given a blank water how you analyse by general analytical techniques?
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
How to determine water content of bis tetrazole amine mono ammonium salt
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
Explain the relations between number of carbon atoms in alkanes and retention time ?