How to prepare 1000ppm methylene blue solution

2 Answers  

---

hi i am m.sc organic chem and complete analytical lab tech dipolma now job in qc many time ask question you in m.sc organic why job in qc please help me i can not give proper ans please tell me

3 Answers   Arch Pharmalabs, Natco,

---

In specificity what parametrs are consider why that parametrs

2 Answers  

---

What is the difference between uplc and hplc

4 Answers   AAU Assam Agricultural University, Hetero,

---

How do we fix the sample concentaryion in hplc method development?

0 Answers  

---

how to hplc calibrated

4 Answers   Dr Reddys, Glochem,

---

Why are using in Hi,zero air, Ni gass are used GC

5 Answers   Aurobindo, ELBS, Vimta Labs,

---

why we get only one peak in assay by hplc but in rs by hplc get more peaks

1 Answers   MSN Pharma,

---

Defination of ZEEMAN EFFECT in NMR ?

2 Answers  

---

Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

0 Answers   Apex, BNM, Ranbaxy,

---

how std. of znso4

1 Answers  

---

if partition coefficient value was positive means, what it indicates ?

1 Answers  

---