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DETERMINATE BORIC ACID(BORAX)IN FOOD BY 3-METHOXY-METHYLENIMINE H SPECTROPHOTOMETRY.

Kai‐Tai Yao

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Abstract

Objective:To establish 3-Methoxy-Methylenimine H spectrophotometry to detect boric acid in food.Method:Food sample was ashed in alkaline condition, used 3-Methoxy-Methylenimine H as colourant,then detected boric acid in food.Result:It showed good linear relationship at the concentration of boric acid of 0-5.0 mg/kg,r0.998,the recovery was between 90.0～99.1%, CV5%,and the detection limit was 5.0 mg/kg.Compared to curcumin spectrophotometry, the result had no significant difference (t=0.757,P0.05).Conclusion:The method was simple, convenient and rapid,its sensitivity and accuracy were satisfied with the requirement, and appropriated to determination of boric acid in food .

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What this paper is about

Objective:To establish 3-Methoxy-Methylenimine H spectrophotometry to detect boric acid in food.Method:Food sample was ashed in alkaline condition, used 3-Methoxy-Methylenimine H as colourant,then detected boric acid in food.Result:It showed good linear relationship at the concentration of boric acid of 0-5.0 mg/kg,r0.998,the recovery was between 90.0～99.1%, CV5%,and the detection limit was 5.0 mg/kg.Compared to curcumin spectrophotometry, the result had no significant difference (t=0.757,P0.05).Conclusion:The method was simple, convenient and rapid,its sensitivity and accuracy were satisfied with the requirement, and appropriated to determination of boric acid in food .

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Available abstract

Objective:To establish 3-Methoxy-Methylenimine H spectrophotometry to detect boric acid in food.Method:Food sample was ashed in alkaline condition, used 3-Methoxy-Methylenimine H as colourant,then detected boric acid in food.Result:It showed good linear relationship at the concentration of boric acid of 0-5.0 mg/kg,r0.998,the recovery was between 90.0～99.1%, CV5%,and the detection limit was 5.0 mg/kg.Compared to curcumin spectrophotometry, the result had no significant difference (t=0.757,P0.05).Conclusion:The method was simple, convenient and rapid,its sensitivity and accuracy were satisfied with the requirement, and appropriated to determination of boric acid in food .

Key concepts: Boric acid, Borax, Spectrophotometry, Chemistry, Detection limit, Chromatography, Linear relationship, Nuclear chemistry

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DETERMINATE BORIC ACID(BORAX)IN FOOD BY 3-METHOXY-METHYLENIMINE H SPECTROPHOTOMETRY. — Research Paper | ScholarLens