Interested to Buy Any Domain ? << Click Here >> for more details...
What is primary & Secondary Standard ? Give Example
- 17 Answers
- 167602 Views
- Cipla, Lupin, I also Faced
- E-Mail Answers
Answer Posted / faisal jameel
Primary standard
1- are those whose purity is already known.
2-non reactive.
3-used to validiate secondary standard.
4-are thermostable.
Ex- NACL, SODIUM OXALATE, NA2CO3.
Secondary standard-
1-reacts with moisture.
2-not thermostable.
3-validiate by primary standard.
4- not stable at room temperature.
Ex-NAOH, HCL, H2SO2
| Is This Answer Correct ? | 29 Yes | 6 No |
Post New Answer View All Answers
how require to set assay concentration for standard and sample?
how you determine moist.of NaOH sol or NaOH flacks
What is the diffrence in japan mkt requirement in analytical method validation over US?
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
What is viod volume and peak purity in HPLC?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
how can give the expiry period and restadardisation of volumetric solution
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
How to set specification of assay, fisdolution and related substances?
Loss of linearity in tkn analysis, possible reasons?
why are measure gas flow " ml " in Gas chromatography
how to set sample and standard concentration in RS method?
What is the main difference between ODS1 and ODS2 Hplc column.
If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?
identification is for unknown? qualification for known? reporting for LOQ?
