Answer Posted / eeda

Specific Optical Rotation=(100*Optical Rotation)/(Cell Length in Decimeters*Concentration)
Here 1mm = 0.01 Decimeter

how you start the solubility study?

767

---

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

823

---

What is gelatinization?

1573

---

Is it nessesary all multimedia dissolution require descriminatory?

739

---

What is the difference between purge septum flow and column flow in gas chromatography?

2479

---

why require the ph, buffer during hplc mobile phase?

816

---

what are risk assement in the analytical qbd?

686

---

WHY pKa value is more important than pH value of the mobile phase in HPLC?

1712

---

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2132

---

Why use only methanol,used determinationof moisture content not use other solvents

1361

---

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?

1722

---

how you determine moist.of NaOH sol or NaOH flacks

2174

---

What is the purpose of octyl silane columns?

4246

---

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

796

---

what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

834

---