AOAC Official Method 941
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1AB727F81FE545F7ACDEFADF3E5CD2FF |
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0.18 |
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1 |
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日期： |
2024-7-31 |
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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）：
44.7.03,AOAC Official Method 941.14,Moisture in Corn Syrups and Sugars,Method III,First Action 1941,(Applicable to corn syrups and crude dextrose products.),A. Ma terial and Appa ra tus,(a) Diatomaceous earth.—Preferably analytical grade. If,commercial grade is used, wash with HCl, then with H2O to remove,acid, and dry in oven at ca 105°C. (Material should give negative test,for acid when moistened.),(b) Moisture dish. —Al dish 25 high 义 75 mm diameter, with,cover.,(c) Pes tle.—Flat-end glass stirring rod ca 60 mm long.,B. De termina tion,Place 10 g diatomaceous earth in moisture dish containing pestle,and dry to constant weight. Accurately weigh ca 5 g corn syrup or,dextrose in nickel scoop, dilute with ca 5 mL H2O, and add to,Filter-Cel. Wash scoop with three 2 mL portions H2O and add,washings to Filter-Cel. Thoroughly incorporate solution with,Filter-Cel by means of pestle, yielding damp workable mass. Dry to,constant weight in vacuum oven at 100°C for corn syrup or 70°C for,crude dextrose products.,Reference: Ind. Eng. Chem. Anal. Ed. 13, 858(1941).,Re vised: March 1998,2006 AOAC INTERNATIONAL……
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