why reference flow required during hplc analysis on rid?

why hydrogen and zero air used for flame ignition in gc?

How we get DST moisture 15.4-16.0%. what is the calculation or method behind it.

What is viod volume and peak purity in HPLC?

what is the results if we use ODScolumn instead of BDS column ,(ther parameter is same for column) in assay method ?

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.

what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?

Alchemist, Alembic, Apex,

from where i get mortar pastle for glass bottle crush? it's required for testing of it?

what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?

What is the difference between void volume and delay volume in HPLC?

What is the purpose of octyl silane columns?

how many types of Proceing methods?

Reddy Labs,

What is the column performance and column efficiency?

Reddy Labs,

What are the primary standards?

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 ?