why reference flow required during hplc analysis on rid?1 3482
why hydrogen and zero air used for flame ignition in gc?1 6497
How we get DST moisture 15.4-16.0%. what is the calculation or method behind it.2 14393
what is the results if we use ODScolumn instead of BDS column ,(ther parameter is same for column) in assay method ?3 6804
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.963
what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?1 2141
What is the difference between void volume and delay volume in HPLC?3 14548
What are the primary standards?6 8202
why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?1 2622
In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]
In IR spectra, generally a molecule vibrates without apply emr or ir light?
give clarity of linearity and range in method validation
why we should take dst factor for below 1%moisture samples
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
How can I develope method of dissolution by HPLC OR UV
acceptance criteria for lod & loq by standard deviation of response and slope??
Difference between hlaf and rlaf
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
how can give the expiry period and restadardisation of volumetric solution
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
iam usig ph buffers merk. manually how to prepare ?
Which is the highly polar and highly non polar column in HPLC?