質量標準: |
外觀Appearance 橙色粉末 染料含量Dye-content ≥85 % 重金屬Heavy metals (as Pb) <40 ppm 不溶物Insoluble matter in H2O <0.2 % 砷 As < 3 ppm 鉛Pb < 10 ppm 汞Hg < 1 ppm 鎘Cd < 1 ppm 氯化鈉,硫酸鈉和揮發物 < 15% 游離芳香胺free aromatic amines: < 0.01%Biological stain 外觀Appearance Orange powder 紅外光譜鑒別Infrared spectrometry Conforms to structure 溶解試驗Solubility Yellow, clear(10mg/ml,water) 染料含量Dye-content ≥85 % 元素分析Elemental analysis Carbon 30.6-36.5 % Nitrogen 8.9-10.8 % |