How can be set a responds factor for evaluating a unknown impurity by HPLC

0 Answers   Orchid,

---

2day science says that clouds r formed due to sea(more than 90% sea water in cloud). but when rain starts,,,,the rainy water is sweet while sea (salty)water is salty.....how sea water is converted into sweet water?

1 Answers  

---

What happens to the solubility of group II Sulphates as you go down the group?

3 Answers  

---

How much is the molar extinction coefficient of methylene blue at wavelenght 664 nm? Are molar extinction coefficient depend on concentration of solution?

3 Answers   Indfrag Limited,

---

4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

0 Answers   MahaGenco,

---

---

Write the each half cell reaction and also net cell reaction for a cell

0 Answers  

---

How do you measure order of reaction?

2 Answers  

---

what are the different by which a new molecule can be characterised ?

2 Answers   Cipla, Reddy Labs,

---

how many types of stability in pharma or API industry ?

2 Answers   Unimarck Pharma,

---

why the atomic weights are in fractions?

1 Answers  

---

How the value of Absorbance and molar extinction coefficient are caluculated?

2 Answers   Panacea,

---

During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

0 Answers  

---