Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / devendra kumar
primary solution is that we get as stock solution, while
secondary solution is that we use as working solution for
defferent analysis
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
UV and PDA detector, which have less signal to noise ratio?
what is the disso medium for tropsiun chloride
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
why does used dry caffien in HPLC calibration?
Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
if instrument calibration fails then what require to do?
Why we check moisture,ash & AIA in product
how will you do the prep for unstable componds?
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
If vendor having more imp than monograph then how to proceed? and how to set spec?
