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
No Answer is Posted For this Question
Be the First to Post Answer
What is the principle of Thermal conductivity detector and FID?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
what is pKa ?
10 Answers Dr Reddys, Shasun Chemicals,
Why red HgI2 added during starch preparation?
In dissolution of tablets/capsules elaborate the Dissolution limit 20.0% to 60% Q in 30 minutes.
what is the difference between BDS and ODS Columens and both are same or not
2 Answers Intas, IPQA, Micro Labs, Vasava Engineering Private Limited,
why we are using sodium,potassium phosphates for mobile phase preparation?
how to pepare 6.8 pH phosphate buffer
how much mass should be there in volumetric flask while in preparation of sample for assay?
why equlirium conatant of water have 14 value
why we use holmiumperchlorate in calibrating uv
4 Answers Aurobindo, DRL, MSN Pharma,
IN DISSOLUTION TEST S1AND S2 AND S3 CONDITIONS ALL ARE FAILED THEN WHAT IS THE DESSICION U CAN TAKE