Interested to Buy Any Domain ? << Click Here >> for more details...
What is primary & Secondary Standard ? Give Example
- 17 Answers
- 166237 Views
- Cipla, Lupin, I also Faced
- E-Mail Answers
Answer Posted / ananth
Primary standard :
Primary standards are the materials having high purity
values under specified conditions which can be used to
standardise the volumetric solutions.This primary stadards
also used to prepare the solutions which are necessay for
the calibration of analytical instruments.
Secondary standards:
Generally volumetric solutions are
known as secondary standards
| Is This Answer Correct ? | 262 Yes | 87 No |
Post New Answer View All Answers
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
Which are the diffrent grades of api in pharma?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
how to calibrate hplc & gc
why we are using hexane in calibration of number of drop per mL
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.
what type of question will ask in the interview of lab chemist.
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
What is Band broading effect explain
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
what is turbidimetric titration?Give 2 examples.
