Answer Posted / m.balaram naidu

PURITY IS QUALITATIVE ANALASIS
BUT ASAAY IS QUANTITATIVE ANALASIS.

EXP:-
CIPROFLOXACINE EXP
THIS PRODUCT PURITY IS 99.5% BUT ASSAY IS 99.8%
THE SAME PRODUCT PURITY IS 99.5% BUT ASSAY IS 80.0%
THE SAME PRODUCT PURITY IS 99.5% BUT ASSAY IS 50.0%
BECOUSE PURITY IS NOT DEPEND UP ON THE ASSAY.

mahagenco syllabus for the post of chemist

6481

---

if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

686

---

what is mean by 40 in the dissolution basket mesh size?

795

---

how to qualify the impurity?

880

---

how to calculate elemental impurities?

1040

---

How we can identify process related and degradation impurity in single method with short period?

830

---

HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

2254

---

Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1925

---

Explain the relations between number of carbon atoms in alkanes and retention time ?

2153

---

for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

6076

---

Why Ethanol is Used for Standardization of GC Head space?

4233

---

4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2727

---

effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

936

---

In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

932

---

How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1781

---