why phepolphthalene giving pink color when we titrate
against to NaOH Solution ,giving colrless titrating
aginsiting with acids?
- 2 Answers
- 4608 Views
- Graviti Pharmaceuticals, Vimta Labs, I also Faced
- E-Mail Answers
Answer Posted / bhupalreddy
It shows pink color in basic meadium.Here NAOH is base
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
How to fix the sample conc. in Related substances test by HPLC?
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
Why we check moisture,ash & AIA in product
what is mean by extactable and leachable study?
if tech transfer fails whay require to do?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
how the compound separate in coulunm,explain
in dissolution why pool sample needed? in which type of drug pool sample need?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
how require to fix the linearity and accuracy cincentration range?
For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
