Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

998

Why only 1.2 million lux hours require in photostability study?

484

What is the formula for relative diffrence for standard solution in solution stability in validation?

320

on the basis of bcs class how to proceed the solubility?

289

if peak get problamatic then what require to do?

325

if content uniformity passing but dissolution varrying then what is next step?

394

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

6878

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2081

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

1702

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

3611

How much is the standard area for glc analysis

1761

what is the disso medium for tropsiun chloride

1805

in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

358

Why potassium dichromate is used in calibration of uv?

1404

How can I develope method of dissolution by HPLC OR UV

1897