Answer / ars

D above ans r wrong

Answer / brijesh kumar

Optical rotation have no any condition such as temp.and d line but in the case of specific optical rotation have 25*c and d line

Answer / chiragpatel

Sor ma sample weight calculation ma ave and or ma direct sample solution direct mukvanu hoy 6
Cis and trans rotation vathare hoy tena mate sor and cis and trans rootation o6u hoy te ma or
Os ni limit range sort hoy eg.(-0.1 to 0.1)

Sor large limit(-45 to 45 )

How you develop a method in HPLC?

0 Answers   CU, Perrigo, Wockhardt,

---

How can we separate Urea & semicarbazide in single HPLC method ?

2 Answers  

---

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

0 Answers  

---

why chiral separation?

1 Answers  

---

why a ph meter require KCL solution for their storing condition?

1 Answers   Aurobindo,

---

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.

0 Answers  

---

Loss of linearity in tkn analysis, possible reasons?

0 Answers  

---

What is the requirement for brazil in the analytical method vslidation comparr to ich?

0 Answers  

---

how can you decide API molucule acedic or basic compound by test?

2 Answers   Posh Chemicals,

---

what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

1 Answers   Apex, Pentagon Labs,

---

Describe your experience with quality assurance and quality control analyses?

11 Answers   Aurobindo, Dr Reddys, MSC, Reddy Labs,

---

Difference between standard operating procedure and standard test procedures in pharmaceutical industry

2 Answers  

---