Answer Posted / pranav desai

1#It is primary reference stanard.
2#It is suggested in US,IcH Pharmacopiea.
3#It is 2 Mixima and 1 Minima
(205nm,273nm)(245nm)
4#it is eslyli soluble in solvent.
5# it is less carry over.

how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2613

---

what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

10010

---

How to set specification of assay, fisdolution and related substances?

888

---

Why dissolution test is not performed in all of the products

2543

---

A ha tc is actual defination of retention time?

1623

---

what is mean by nitrosamine impurities?

1076

---

some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2663

---

What is rs test why we are performing rs test?

1871

---

in which situation require to change rs specification?

759

---

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

2435

---

how require to select dissolution media? what is discrimination?

801

---

how to decide for one product require water content or LOD?

792

---

which are the diffrent batches in the pharmaceuticals?

826

---

What is diffrence between extractable volume and deliverable volume? Answer pls

4579

---

we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1874

---