Why triethylamine and o-phosphoric acid used while setting
pH of mobile phase during HPLC Analysis?
Answer Posted / g.g. krishna
Triethylamine: To reduce tailing of basic analytes
Phosphoric acid: To suppress the ionization of acidic analytes
Is This Answer Correct ? | 23 Yes | 2 No |
Post New Answer View All Answers
what is the structure of DOWEX-50
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
how we can identify the impurity is coming below loq at transfering site?
what is third integration
What is shaking level in GC?
If vendor having more imp than monograph then how to proceed? and how to set spec?
mahagenco syllabus for the post of chemist
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
For standardization of volumetric solutions, acceptance limit for concentration is considered as 10% of nominal concentration and %RSD as NMT 0.2% (for appropriate no. of replicates). But , if %RSD has not met, what should be further action?
how much mass should be there in volumetric flask while in preparation of sample for assay?
how you fix the limits of impurities?
UV and PDA detector, which have less signal to noise ratio?
analytical method validation require to with respect to release specification or shelf life specification?