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2014•Contemporary Chemical IndustryRequires access

Determination of Trace Iodine Content in Soil by Static Exchange With Cation Resin and ICP-MS Method

Chen Guo-jua

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Abstract

After the alkali-melting process treated the soil sample,cation resin was used for static exchange,then trace iodine in soil was determined by ICP-MS. The method detection limit was 0.018×10-6, the variation coefficient(RSD=6) was 0.51%~4.17%,the recovery rate of standard addition was 93.79%~107.73%,the result is quite accurate and satisfied.

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What this paper is about

After the alkali-melting process treated the soil sample,cation resin was used for static exchange,then trace iodine in soil was determined by ICP-MS. The method detection limit was 0.018×10-6, the variation coefficient(RSD=6) was 0.51%~4.17%,the recovery rate of standard addition was 93.79%~107.73%,the result is quite accurate and satisfied.

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Available abstract

After the alkali-melting process treated the soil sample,cation resin was used for static exchange,then trace iodine in soil was determined by ICP-MS. The method detection limit was 0.018×10-6, the variation coefficient(RSD=6) was 0.51%~4.17%,the recovery rate of standard addition was 93.79%~107.73%,the result is quite accurate and satisfied.

Key concepts: Ion-exchange resin, Iodine, Chemistry, Inductively coupled plasma mass spectrometry, Detection limit, Ion exchange, TRACE (psycholinguistics), Soil test

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