Answer / shailesh

As per usp

how you start RS method development when for new product?

0 Answers  

---

What is colimn selection Criteria in HPLC analysis?

4 Answers  

---

why phepolphthalene giving pink color when we titrate against to NaOH Solution ,giving colrless titrating aginsiting with acids?

2 Answers   Graviti Pharmaceuticals, Vimta Labs,

---

what is range of Vivible UV ? What is UV& Vivible spctroscopy use for ?

6 Answers  

---

NMR is both qualitative and quantitative?EXPLAIN

2 Answers  

---

Is sonication essential in solubility testing of a drug substance?

6 Answers   Aurobindo,

---

acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid

3 Answers   AVT, Hetero,

---

Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?

3 Answers  

---

Which std. used for standrdisation of ZnSO4?

1 Answers  

---

how can you determine a compound acidic or basic?

2 Answers   Celon Labs, Cipla,

---

what is the criteria for choosing capillary column in GC??is it dependent on sample load?

3 Answers  

---

What is the difference between HPLC and GC?

3 Answers  

---