Answer Posted / vishal shah

In TOC calibration 1,4 Benzoquinone used because 1,4
Benzoquinone is tufest to oxidized and sucrose is easly
oxidized so cover upper and lower range for calibration.

what is mean by dissolution biowaiver study?

990

---

What is delay volume?

1430

---

What is viod volume and peak purity in HPLC?

2927

---

Why potassium dichromate is used in calibration of uv?

2038

---

AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2111

---

how require to interprit the method precision data of hptlc?

869

---

While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2896

---

WHY given much noise PDA dector then VWD Dector

2144

---

How you develop a method in HPLC?

2662

---

What should be the level/ Percentage of Arsenic in Arsenic free zinc.

2276

---

A ha tc is actual defination of retention time?

1662

---

if you get peak in blank then what require to do?

1016

---

which are the sizes of capsules?

1042

---

[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

839

---

Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

978

---