which situation gc hs and gc als require to use?

800

Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2837

How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

4285

what is classification of elemental impurities? what is risk assement in elemental impurities?

760

mahagenco syllabus for the post of chemist

6481

How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1781

What are modes of quantification in related substances

2170

[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

809

why we use a particular hplc column for a particular compound give reasons?please

2754

What is mean by PDR?

963

Why Ethanol is Used for Standardization of GC Head space?

4233

We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy

1912

how require to interprit the method precision data of hptlc?

827

What is the use of tlc and hplc? And when and where use?

1169

WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2142