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| Discussion on Existing National Standard Test Methods of Edible Salt |
| CUI Shuang-bin1,CHEN Hao2,DI Yu-long2 |
| 1.CNSIC Hebei Salt Industry Corporation Ltd., Shijiazhuang 050021, China; 2. Hebei Provincical Institute of Metrology, Shijiazhuang 050051, China |
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Abstract With more and more test standards of edible salt emerging after China joined in the WTO， some problems should be considered at this stage, for example how to detect edible salt using the international standards, how to learn international advanced detection methods. Starting from several key indicators of the test methods，the national and intenational standards were disscused， their advantages and disadvantages were compared, some reference for improving the national standard test methods of edible salt were provided.
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| [ 1 ] GB 5461—2000.食用盐[S].中国标准出版社，2000． [ 2 ] GB / T 13025.3—2012.制盐工业通用试验方法 水分的测定[ S ]．中国标准出版社，2012.[ 3 ] GB / T 13025.4—2012.制盐工业通用试验方法水不溶物的测定[ S ].中国标准出版社，2012.[ 4 ] GB/T 13025.5—2012.制盐工业通用试验方法 氯离子的测定[ S ]．中国标准出版社，2012.[ 5 ] GB / T 13025.6—2012.制盐工业通用试验方法 钙和镁的测定 [ S ]．中国标准出版社，2012．[ 6 ] GB/T 13025.8—2012.制盐工业通用试验方法 硫酸根的测定 [ S ]．中国标准出版社，2012．[ 7 ] CODEX STAN 150—1985.CODEX STANDARD FOR FOOD GRADE SALT[ S ]．[ 8 ] ISO 2479—1972.Sodium chloride for industrial use - Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations[ S ]．[ 9 ] ISO 2480—1972. Sodium chloride for industrial use - Determination of sulphate content - barium sulphate gravimetric method[ S ]．[ 10 ] ISO 2481—1973.Sodium chloride for industrial use - Determination of halogens, expressed as chlorine - Mercurimetric method[ S ]．[ 11 ] ISO 2482—1973. Sodium chloride for industrial use - Determination of calcium and magnesium contents - EDTA complexometric methods[ S ]． |
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