In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?

1 Answers  

---

what is definition of validation? which components are followed give detail?

0 Answers  

---

Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

0 Answers   Apex Encon Projects Private Limited, Cipla,

---

state the principle of gas chromatography?

5 Answers  

---

If we change lenght of ph eletrode wire then it will affect on ph ?

2 Answers  

---

what is the structure of DOWEX-50

0 Answers  

---

In Analytical method development related substance method when did follow w/w method when did follow area normalisation method

5 Answers  

---

how to prepare 5 normality of h2so4 solution

3 Answers   Symbiotec,

---

mahagenco syllabus for the post of chemist

0 Answers   MahaGenco, Unimarck Pharma,

---

what is a drug?

11 Answers   Aurobindo,

---

why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

11 Answers   Aurobindo, GVK, Sohan Healthcare,

---

What is a base line?

2 Answers  

---