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《Journal of Longdong University》 2014-05
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Spectrophotometric Determination of Iron in Kelp with Sulphosalicylic Acid

ZHAO Jun-Ying;School of Chemistry and Chemical Engineering,Longdong University;  
In pH = 3,with sulfosalicylic acid as chromogenic agent,this paper has established the spectrophotometric method to determine the iron in different kelps. By using reagent blank for reference,at the wavelength of 500 nm,after heating in 20 ℃ for 10 minutes,this paper measures the absorbance of system,gets the iron content of dry kelp,pickled kelp,kelp silk for 0. 86mg·g- 1,1. 04mg·g- 1,and1. 34mg·g- 1.
【CateGory Index】: O657.3;TS254.7
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