Answer Posted / tapan shaw

To simulate the dissolution behavior in our body fluid
because our body fluid where drugs release occur is either
acidic or basic.



1904

---

Why we check moisture,ash & AIA in product

1487

---

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

446

---

WHAT IS THE USE OF STARTER ?????????

2012

---

function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2191

---

---

if tech transfer fails whay require to do?

418

---

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

2290

---

in hplc chromatogram started from left to right and in uv spectrum started from left to right

548

---

What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

415

---

In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

1584

---

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

1556

---

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1444

---

why multimedia dissolution require to do?

396

---

How can I develope method of dissolution by HPLC OR UV

1992

---

What is the calibration of uv process and preparation

1582

---