how to calibrate hplc & gc3180
Explain in detail what are the procedure and calculations involved for accuracy (%Recovery)in method validation?1 4572
what is the difference between mcg and ppm?5 20841
How we can perform Linearity study for validation by HPLC with very low conc of sample1 5253
what type of questions asked on analytical balance and also give answers................all pharma companies?6594
Why KBr is used in FTIR ?6 10482
about method developement in hplc
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)
Why potassium dichromate is used in calibration of uv?
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
How to choose the which salt is suitable for mobilephase
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?
Why Ethanol is Used for Standardization of GC Head space?
What is stray light in uv what are units for stray light
how the compound separate in coulunm,explain
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
what is the principle involved in turbidometry and nephelometry ?