Detail of "22537-52-6"
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- Determination of trace tellurium(IV) and tellurium(VI) in water by concentration and separation with sulfhydryl cotton fiber and atomic absorption spectrophotometry following hydride generation
- Determination of trace tellurium(IV) and tellurium(VI) in water by concentration and separation with sulfhydryl cotton fiber and atomic absorption spectrophotometry following hydride generation. Yu, Muqing; Liu, Guiqin (Changchun Inst. Geogr., Acad. Sin., Changchun, Peop. Rep. China). Huanjing Huaxue, 2(3), 69-73 (Chinese) 1983. CODEN: HUHUDB. DOCUMENT TYPE: Journal CA Section: 61 (Water) Section cross-reference(s): 79 Te(IV) can be adsorbed on sulfhydryl cotton for sepn. from an aq. soln. at pH < 7 and contg. HCl at a concn. <9 N, whereas Te(VI) can be adsorbed on sulfhydryl cotton in a soln. contg. HCl at a concn. only >4 N. Thus, Te(IV) and Te(VI in a soln. are sep. det. 22537-52-6 and 22537-55-9 are cas registry numbers of chemicals which are used as reagents here. by at. absorption spectrometry. For a natural water and a wastewater contg. 0.08-2.00 ppb added Te(IV) and/or Te(VI) the recovery is 87-120%; for 11 detn. of 1.00 ppb Te(IV) and Te(VI) in water. The relative std. deviation is 2.7 and 3.4%, resp. .


