why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate

1 Answers  

---

Why we use Caffeine in hplc calibration

2 Answers   Emcure, Laurus,

---

Principle of single pan analytical balance

0 Answers   Amneal Pharmaceuticals, Bayer, Dr Reddys,

---

what is the relation of normality & molarity ? give me formula?

5 Answers  

---

How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample

0 Answers  

---

Is it nessesary all multimedia dissolution require descriminatory?

0 Answers  

---

in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result

1 Answers   Dishman,

---

WHAT IS DIFFERENCE B/W MALTINGRANG/DSC

1 Answers   Glochem,

---

Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration

2 Answers   Cipla, Reddy Labs,

---

What is Rf value& Rx value in TLC?

1 Answers   Abbott,

---

which chromatographic technique is used for softening hard water?

1 Answers   Laurus,

---

What is the purpose & importance of using the polystyrene film in ir calibration?

3 Answers   Vimta Labs,

---