Why potassium hydrogen pthalate is used for perchloric acid
And naoh. Why it is used for both acid and base
Answers were Sorted based on User's Feedback
Answer / ronakpatel
because KHP contains -COOH and -COOK groups in its structure,
so when we it standarize whith PCA -COOK will react and
when it standarize with NaOH, COOH group will react
| Is This Answer Correct ? | 43 Yes | 2 No |
Answer / mahesh.duggirala
accually PHP nature is acidic(pH:4.5)..so we use for
standerdization of NaOH.but in HClO4,we standedize in
presence of Acetic acid..Acetic acid & PHP combined to form
conjugate base.that conjugate base react with HCLO4
solution..in HCLO4 standerdization
| Is This Answer Correct ? | 11 Yes | 8 No |
Answer / sun
only one person knows ans
person name parshant kamalapurkar DGM QC polydrug
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / sandip bhasme
KHP is available in puriest form 99.9%. Is stable in normal
storage conditions. is used as primary standard for standard
alkalies.
| Is This Answer Correct ? | 1 Yes | 15 No |
Answer / gopal
Potassium hydrogren phthalate is easily available in pure
form. It is not hygroscopic in nature.
| Is This Answer Correct ? | 5 Yes | 20 No |
What is importance of pH in the Heavy metal test and How it effect on the test results?
In dissolution test s1 stage we are getting one bowl 40 % out of 6 bowls what is the root cause you find and how proceed next step? ( Q is 80%)
What is pooled sample in Dissolution
2 Answers Graviti Pharmaceuticals, Lupin,
What is difference b/w IR&NIR
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
what is dwell volume in HPLC?
2 Answers Aurobindo, Cadila, Strides, SUN, Sun Pharma,
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
0 Answers Apex Encon Projects Private Limited, Cipla,
why chiral separation?
What is split ratio in Gc? Splitless? how requirr to select?
why we are using k2cr207 in uv calibration ? why we r not using kmno4?
1 Answers Glochem, Sidmak Laboratories,
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
what is specificity?
4 Answers Amneal Pharmaceuticals, Aurobindo,