What is difference between the working standard and reference standard?



What is difference between the working standard and reference standard?..

Answer / suman kum,ar

reference standard is using as reference for API(that u procured from Vendor) WHICH WE ARE going convert in to Working standard.
Assay and water content like tests we will perform

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Analytical Chemistry Interview Questions

What is the pilot-plant in pharma sector.

1 Answers   Dr Reddys,


Why six unit used for precision?

0 Answers  


if out of two set of results of moisture analysis first 1 is passing, second one is failing, is it oos ? or vice a versa first 1 is failing and second one is passing. for information mean value to be reported and in mean value the substance is ppassing, is it oos or normaal mean value to be considered?

1 Answers   JBCPL,


can i use hplc detector to uplc and why?

0 Answers   Mylan, SGS,


formula for %RSD.

4 Answers   Laurus,






How can you prepare 0.05M Ammonium acetate volumetric solution?

2 Answers  


What is the formula for Tapdensity /

6 Answers   Dr Reddys, GR Intrachem,


How to fix the sample concentration in related substances development.

3 Answers   Novartis, Watson Pharmaceuticals,


What is rs test why we are performing rs test?

0 Answers  


pharma industries oriented

0 Answers   Apex, Micro Labs, Zydus Cadila,


What is the optimum period of storage of indicators?

1 Answers   Orchid Chemicals and Pharmaceuticals,


What is linearity in HPLC and how will you test?

1 Answers  


Categories
  • Organic Chemistry Interview Questions Organic Chemistry (342)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1387)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (190)