Answer / vani

1)deutirIUM will not give nmr signal.
2)Here proton exchange reaction takes place b/w the
chloroform(CHCl3)and the analyte protons.If deutirated
chloroform ie CDCl3 is used, it is easy to locate the
position of proton in the analyte which is exchanged with
the D in the
deutirated chloroform.

for which type of applications gas chromatography is used?

2 Answers  

---

what is the identification test of volatile substance? what is volatile compound?

1 Answers  

---

what is the difference of use of LOD test and Karl Fischer titra.?

15 Answers  

---

iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values

1 Answers  

---

what does 'n' stands for in spectroscopy?give the formula.

0 Answers   Laurus,

---

How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis

1 Answers   Apotex,

---

Why methanol & acetonitrile is mostly used for hplc analysis?

2 Answers   DRL,

---

difference between instrumenent and equipment

6 Answers  

---

what is hold time in Gc?

1 Answers  

---

What is Temperature ?

2 Answers   Reddy Labs,

---

why deutiriated chloroform used in NMR for sample prepration. what reaction takes place.give reasons

1 Answers  

---

why in GC calibration of linearity regression coefficient should not be less than 0.999

1 Answers   Acacia, Jubilant,

---