Interested to Buy Any Domain ? << Click Here >> for more details...
What is primary & Secondary Standard ? Give Example
- 17 Answers
- 167064 Views
- Cipla, Lupin, I also Faced
- E-Mail Answers
Answer Posted / anna
primary standard: is a reagent that is stable, pure, it is not hydrated and is of known concentration. for example, Na2CO3, NaCl etc
secondary standard: is a reagent that is unstabe and very reactive with atmosphere so, have not a conctant concentration. For example, NaOH, H2SO4, etc
| Is This Answer Correct ? | 136 Yes | 25 No |
Post New Answer View All Answers
Tell me something about Vitamin A test method by HPLC
Which parameter require to do for analytical method equivalency?
how can give the expiry period and restadardisation of volumetric solution
how to select short coloum and long coloumn for new molecule
In IR spectra, generally a molecule vibrates without apply emr or ir light?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.
What is third generation HPLC Columns?
What is shaking level in GC?
What are the primary considerations in extractables and Leachables ?
in which situation require to change rs specification?
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
what are the guidelines for analytical method validations?
