a bottle of concerntrated HCL (36.5) was labelled as 37% (w/w) and density 1.19m/l.What is hcl molarity?
8 38982In acid base titration, after complet consumption of HCl by NaOH, addition of next drop of NaOH will give pink colour with phenolpthalein indicator. Why this pink colour appear? Why not blue, black, green or anything elese?
3 10194What r the limitatoins of uv visible spectroscopy ? Why Water use in blank standard for uv visible spectroscopy ?
4 39552why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate
1 4640Post New Analytical Chemistry Questions
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
Principle of single pan analytical balance
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
mahagenco syllabus for the post of chemist
If vendor having more imp than monograph then how to proceed? and how to set spec?
Which are the diffrent grades of api in pharma?
What is stray light in uv what are units for stray light
what is procedure of actual procedure for registration of drug?
in which situation ion pair agent require to use?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
How to determine water content of bis tetrazole amine mono ammonium salt
What is similarity factor?
What is the difference between purge septum flow and column flow in gas chromatography?
WHAT IS THE USE OF STARTER ?????????