AOAC Official Method 950
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ID： |
6E9BAB4428044E8B9163E830BAAE0003 |
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文件大小(MB)： |
0.06 |
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页数： |
1 |
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文件格式： |
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日期： |
2016-2-28 |
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文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
46.1.14,AOAC Of fi cial Method 950.66,In sol u ble Mat ter,in Color Ad di tives,First Ac tion 1950,A. Wa ter-Insoluble Mat ter (Fi nal Ac tion 1960),Dis solve 2 g test sample in 200 mL hot water and let so lu tion cool,to room tem per a ture. Fil ter through Gooch, fit ted with glass fi ber,disk, dried at 135°C, and weighed. Wash with cold water un til,washings are col or less, dry 3 h at 135°C, cool in des ic ca tor, and,weigh. Re port in crease in weight as H2O-insoluble mat ter.,B. Carbon Tetrachloride-Insoluble Matter (Final Action),(Cau tion: See Appendix B, safety notes on toxic sol vents and,carbon tet ra chlo ride.),Mix 0.2–0.5 g test sample with 100 mL CCl4 in 250 mL beaker,stir, and heat to bp. Fil ter hot so lu tion through weighed Gooch,trans fer res i due in beaker to fil ter, and wash with 10 mL por tions,CCl4 un til washings are col or less. Dry 3 h at 100°–105°C and weigh.,Re port in crease in weight as CCl4-in sol u ble mat ter.,C. To lu ene-Insoluble Mat ter (Fi nal Ac tion 1960),Pro ceed as in B, but sub sti tute to lu ene for CCl4.,D. Ben zene-Insoluble Mat ter (Fi nal Ac tion 1960),Pro ceed as in B, but sub sti tute ben zene for CCl4.,E. Acetone-Insoluble Matter (First Action),Pro ceed as in B, but sub sti tute ac e tone for CCl4.,F. Alcohol-Insoluble Matter (First Action),Pro ceed as in B, but sub sti tute al co hol for CCl4.,G. Carbon Tetrachloride-Insoluble Matter (First Action),See 34.046, 11th Ed.,H. Xylene-Insoluble Mat ter (First Ac tion),Pro ceed as in B, but sub sti tute xylene for CCl4.,I. Insoluble Matter (Alkaline Solution) (First Action),Pro ceed as in A, but use 1% NaOH so lu tion or NH4OH (1 + 14),in stead of H2O.,2006 AOAC INTERNATIONAL……
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