Qc interview questions497
What is difference between" LOD" AND "VACCUME LOD"2 1695
Difference between standard operating procedure and standard test procedures in pharmaceutical industry2 1245
How to start the dissolution development for unknown tab?
what is DIPE limit in residual solvent?1 929
Dear sir, This is R.Kadambavadani working in a pharma industry. while doing RS analysis of ibuprofen API, unknown peak eluting some times in the 0.6 Min RT. Kindly send me what is the exact reason behind that. also am using ACN the mobile phase.1 607
Near infrared Principle1 759
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
why holium oxide prepared in 10% HCLO4 SOLUTION
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
if you have given a blank water how you analyse by general analytical techniques?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
why does used dry caffien in HPLC calibration?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
WHY pKa value is more important than pH value of the mobile phase in HPLC?
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
A ha tc is actual defination of retention time?
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?
What is intact assay method development.....?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
What are modes of quantification in related substances
what is peak purity and its formula