What is the difference between ROI & sulphates ash?

What is the difference between ROI & sulphates ash?..

Answer / b.gangatharan

There is no difference b/w procedure,both are same. In Indian pharmacoepia it is called as ROI and in USP called it as sulphated ash.both are used for determination of content of inorganic mater in organic substance.

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Analytical Chemistry Interview Questions

sop of a uv visible spectrophotometer double beam elico model

0 Answers   Sun Pharma,

Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%

2 Answers  

which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

0 Answers   Hetero,

why we are using 6 dosage units in dissolution, and why we are using 6 tablets in disintegation test.is there any scientific reason beyond 6?

1 Answers   IPCA, ABC, Alembic,

why do u get different drug release while doing calibration of dissolution test appratus 1& 2(paddle & basket)?

1 Answers   Medrich, Twilight Litaka Pharma, HDFC,

what is motor rotation in case of sucrose

1 Answers  

What is the correct way to digest milk powder to get the corrrect value of Fe and Zinc?

1 Answers  

In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Sun Pharma, Micro Labs, Richter Themis,

In specificity what parametrs are consider why that parametrs

2 Answers  

Why Na lamp is used in polarimeter?

5 Answers   Vimta Labs,

which solution used for detecting factor of k.f.titroter except water

3 Answers  

Why should we use Potassium iodide and Hydrochloric acid during preparation of Iodine Molar solution?

1 Answers  

  • Organic Chemistry Interview Questions Organic Chemistry (288)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (113)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1221)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (300)
  • Chemistry AllOther Interview Questions Chemistry AllOther (77)