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- E-ISSN 2288-8985
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Reduced sulfur gas loss in the bag samping procedure-Comparison by calibration slope values
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2005, v.18 no.4, pp.338-343
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(2005). Reduced sulfur gas loss in the bag samping procedure-Comparison by calibration slope values. Analytical Science and Technology, 18(4), 338-343.
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Abstract
In this work, sample loss of reduced sulfur compounds (RSC) was investigated with respect to bag sampling techniques. For comparison purpose, calibration slopes were obtained by analyzing standards prepared by 'within syringe dilution' (WSD) method against those made either by 'Tedlar bag dilution' (TBD) or by 'polyester aluminum bag dilution' (PBD) method. The results indicated that the recovery rate of TBD showed the mean values of about 87%, while those of PBD about 77%. Despite the fact that sample loss is inevitable, precise sampling of reduced sulfur compounds may still be possible, if one acknowledges and be prepared for such loss rates of bag sampling methods.
- keywords
- hydrogen sulfide, detection properties, bag sampling, Tedlar bag, polyester bag, PFPD
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