What is importance of pH in the Heavy metal test and How it effect on the test results?

1007

please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

386

what is the structure of DOWEX-50

3775

why are measure gas flow " ml " in Gas chromatography

426

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

1218

acceptance criteria for lod & loq by standard deviation of response and slope??

1236

give clarity of linearity and range in method validation

999

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?

355

What is the difference between spectro meter and spectro photo meter?

8618

For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

939

In performance Check of GC Why Hexadecane Peak is Considered 

1823

How to do regeneration of Metacarb Pb plus column?

1316

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

604

What are the primary considerations in extractables and Leachables ?

1056

what is the principle involved in turbidometry and nephelometry ?

2581