what is the origin to prepare standard operating procedure
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How NMR spectra can be calibrated in presence or absence of TMS?
Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?
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?
wat is the role of michelson interferometer in FTIR and He-Ne lase.detailed answer required in simple language
In UV-VIS spectrophotometer:My diluent is methanol even though i corrected base line for methanol,In my sample scan i found methanol peak.what is the reason?
Why are using in Hi,zero air, Ni gass are used GC
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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?
Which std. used for standrdisation of ZnSO4?
what is defferance between dipolemoment and polarity
What is difference between Potency & purity
why sucrose not used in polarimeter calibration?
HOW TO CALCULATE THE MASS OF UNKNOWN IMPURITY IN LC-MS? AND WHAT IS THE ROLE OF FRAGMENTATION IN LC-MS ?