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what r the parts calibrated in gc
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Answer Posted / kuchela rao athota
1)CARRIER FLOW CHECK
2)COLUMN OVEN TEMP..(ISOTHERMAL TEMP.. CHECK)
3)COLUMN OVEN TEMP..(PROGRAMMABLE TEMP..CHECK)
4)VIAL HEATING BLOCK TEMP..
5)TRANSFERLINE TEMP..
6)PRECISION TEST
7)LENIARITY TEST
8)FID SENSIVITY TEST
| Is This Answer Correct ? | 15 Yes | 3 No |
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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
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