In pharmacopeal solibility parameter of a material, is et essential to test all paramete? If 70-75% parameter passes can we assess that the material is satisfactory or not?

1 Answers   Aurobindo,

---

a bottle of concerntrated HCL (36.5) was labelled as 37% (w/w) and density 1.19m/l.What is hcl molarity?

8 Answers  

---

what is the principle involved in turbidometry and nephelometry ?

0 Answers   Graviti Pharmaceuticals,

---

what is primary solution and secondary solution

2 Answers  

---

pda detector mechanism?

1 Answers   DKR, Teva Pharmaceuticals,

---

---

What is the name of the detector used in TOC?

1 Answers   Lupin,

---

what does 'n' stands for in spectroscopy?give the formula.

0 Answers   Laurus,

---

can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????

2 Answers   Cipla,

---

what is the difference between system precision and method precision?

3 Answers   Teva Pharmaceuticals,

---

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?

0 Answers  

---

HOW TO CALIBRATE HPLC OVEN

1 Answers   Mylan,

---

why base line not start from zoro in GC Chromatograme.

1 Answers   Merck,

---