7874 三氧化二铁 99.9% metals basis 100g 90
7875 三氧化二铁 99.999% metals basis 25g 1969
7876 三氧化二铁 99.999% metals basis 5g 690
7877 三氧化二铁 99.99% metals basis 500g 890
7878 三氧化二铁 99.99% metals basis 100g 260
7879 三氧化二铁 99.9% metals basis 500g 396
7880 三氧化二铁 99.99% metals basis 25g 90
7881 三氧化二铁 SP 25g 75
7882 三氧化二铁 AR 500g 39
7883 三氧化二铁 CP 500g 38
红棕色粉末，能溶于酸，不溶于水，溶于醇和醚。最小致死量(狗，皮下)30mg/kg。有刺激性。 相对密度：5.24 熔点：1538℃。
项目Item 分析纯　 化学纯 (AR) (CP) 含量(以Fe计)Assay,% 69.8-70.1 68.9-70.1 干燥失重Drying loss,% ≤ 0.2 0.4 水溶物Soluble matter,% ≤ 0.1 0.2 盐酸不溶物Insoluble matter ≤ 0.02 0.1 (in hydrochloric acid),% 硫酸盐(SO4)Sulfate,% ≤ 0.08 0.16 氮化合物(N)nitrogen compound,% ≤ 0.005 0.05 重金属(以Cu计)Heavy metals,% ≤ 0.01 0.05 硫化铵不沉淀物(以硫酸盐计),% ≤ 0.1 0.2 99.9% metals basis: 外观Appearance Red-Brown to Burgundy Powder/Chunks X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.9% Based on Trace Metals Impurities of ICP Titration by Na2S2O3: % Fe 68.5 - 71.4 % ICP: Confirms Iron Component Confirmed 痕量金属分析total metallic impurities ≤1000ppm by ICP Atomic emission (Sb、Ca、Cr、Co、Mn、Ni、Sn、Zn、Ba、Cs、Pb、Ni、Nb、Pr、Re、Rb、Se、Ag、Na、Sr、Tl、Sn、Yb)) 99.99% metals basis: 外观Appearance Red-Brown to Burgundy Powder/Chunks X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP Titration by Na2S2O3: % Fe 68.5 - 71.4 % ICP: Confirms Iron Component Confirmed 痕量金属分析total metallic impurities ≤200ppm by ICP Atomic emission (Sb、Ca、Cr、Co、Mn、Ni、Sn、Zn、Ba、Cs、Pb、Ni、Nb、Pr、Re、Rb、Se、Ag、Na、Sr、Tl、Sn、Yb)) 99.999% metals basis: 外观Appearance Red-Brown, Burgundy or Purple Powder X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.999% Based on Trace Metals Impurities of ICP Titration by Na2S2O3 (% Fe) 68.2 - 71.7 % ICP: Confirms Iron Component Confirmed 痕量金属分析total metallic impurities ≤20ppm by ICP Atomic emission (Sb、Ca、Cr、Co、Mn、Ni、Sn、Zn、Ba、Cs、Pb、Ni、Nb、Pr、Re、Rb、Se、Ag、Na、Sr、Tl、Sn、Yb))
危险品标志 Xi 安全说明 26 危险类别码 36/37/38 UN 1376 WGK Germany - RTECS NO7400000
分析试剂, 催化剂,着色玻璃滤片(绿色)，铁氧体。抛光剂。颜料配制。