Answer / nitesh belwal

if we use methanol for the determination of solvent like
acetonte, then it will react with the methanol to form
water molecule, hence end point hard to attain.

Answer / venkat

If We use methanol for the determination of solvent like
acetonte to forms ketols. Thats why we r using pyridine
instead of methanol.

ash or residue in that what will be there.

3 Answers  

---

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

1 Answers  

---

What is Temperature ?

2 Answers   Reddy Labs,

---

What is AV value in test uniformity content ,describe calculation

1 Answers   Lupin,

---

1 % solution is equal to how much ppm

32 Answers  

---

how can u seperate polar compounds in hplc ?

1 Answers   Meditab, Piramal Healthcare,

---

what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

0 Answers   Graviti Pharmaceuticals,

---

which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance

1 Answers  

---

Whatn is HPLC

1 Answers   HPLC, Jubilant, Orchid,

---

What about karl fischer reaction mechanism ?

2 Answers   Aurobindo, Mylan,

---

What is difference between NDA & ANDA ?

1 Answers   Alembic,

---

what is the moisture content of Disodium hydrogen tartrate. how it can be calculted. as 16.5%

1 Answers  

---