what you do when compound having dwel wavelength?

722

Loss of linearity in tkn analysis, possible reasons?

1285

what is the principle involved in turbidometry and nephelometry ?

4134

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

691

calibrtion procedue of LC-MS

2685

if identification threshold crosses the limits then what next step?

827

what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2650

in which situation require to take incident in validation?

1696

WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?

1160

how many types of balance calibration test?

2275

Tell me something about Vitamin A test method by HPLC

2642

What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

785

if you get peak in blank then what require to do?

924

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?

1943

how pda detector works over uv?

709