Answer / upendra

HI is strong acid, in Karl Fischer the pH limit is about 5 to 8, so first we have adjust the pH of HI.
For that we use imidazole.
Then we can seen the moisture as normal sample.
Thanks. Upendra Gohil
Reliance , jamnagar

What should be the level/ Percentage of Arsenic in Arsenic free zinc.

0 Answers   FDC, Laurus, Pharmaceutical,

---

Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?

2 Answers   Vardhman,

---

what are the different methods of analysing related substances test,what are LOD AND LOQ .HOW TO REPORT IMPURITIES WHEN LOD AND LOQ LIMITS R SPECIFIED

3 Answers   Dr Reddys,

---

How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?

0 Answers   JBCPL,

---

How will you separate Colorless compound Using Column Chromatography?

4 Answers   Delhi University, VPHS,

---

If combination product how require to identify which imp is of which api?

0 Answers  

---

why PH range 0-14 explain

5 Answers   DRL, Reddy Labs, Saint Gobain, Viva,

---

Definition of beers_ lamberts law

4 Answers   Aarti Industries, Agio Pharmaceuticals, Emcure, Supriya Lifescience,

---

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

0 Answers  

---

why we use deturium lamp in uv spctrophotometer other than lamps

1 Answers  

---

what is the difference between BDS and ODS Columens and both are same or not

2 Answers   Intas, IPQA, Micro Labs, Vasava Engineering Private Limited,

---

What is the difference between qualitative and quantitative analysis (hplc)

1 Answers  

---