Answer Posted / raju

company and carbon load

pharma industries oriented

2176

---

what is %labelled amount in content uniformity of dosage unit and its calculation?

5138

---

could negative ions be produced by bombardment process in mass spectrometry?

1724

---

Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?

654

---

iam usig ph buffers merk. manually how to prepare ?

2223

---

2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

2173

---

USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1970

---

How can the GC or HPLC method is selected to determine the impurity profile in drug product?

7487

---

What is a difference between potency and purity?

1156

---

What is mean by PDR?

861

---

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

9927

---

In performance Check of GC Why Hexadecane Peak is Considered 

2989

---

WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2567

---

What is aggregate and fragments in SEC?

2061

---

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

799

---