How to establish pKa for a new API molecule ?
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How to calibration of the uv spectroscopy and its test?
What is the difference between chromatographic purity and related substances?
Why potassium dichromate is used in calibration of uv?
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?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
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?
how you determine moist.of NaOH sol or NaOH flacks
what are risk assement in the analytical qbd?
Basic principle of ESI?
if identification threshold crosses the limits then what next step?
In rs method development when we are going area normalization method to dilute standard method?
how to set sample and standard concentration in RS method?
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
If vendor having more imp than monograph then how to proceed? and how to set spec?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me