Name | Specifications | Packing | Price | Delivery |
Fumaric acid | CP | 500g | RMB 55 | Consulting service |
Fumaric acid | CP | 100g | RMB 33 | Consulting service |
Fumaric acid | 冷水溶,99% | 1Kg | RMB 88 | Consulting service |
Fumaric acid | GR | 25g | RMB 33 | Consulting service |
Fumaric acid | GR | 100g | RMB 55 | Consulting service |
Fumaric acid | GR | 500g | RMB 88 | Consulting service |
Fumaric acid | 冷水溶,99% | 25kg | RMB 2167 | Consulting service |
项目 优级纯
(GR)
外观Appearance 白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
含量Assay >99.5 %
重金属Heavy metals (as Pb) <5 ppm
灼烧残渣Res. after ignition <0.005 %
氯Cl < 50 ppm
铁Fe < 5 ppm
砷As < 2 ppm
总硫total sulfur (S): < 0.0005%
冷水溶反丁烯二酸:
外 观Appearance 超细白色粉末
含量(总酸)assay% ≥99.0
水 份water % ≤0.30
DSS% ≤0.30
熔 点mp ℃ 286-289
灰 份Ash % ≤0.03
色度(5%乙醇中)Color Scale ,Hazen ≤15
重金属(以Pb计)Heavy metals(as Pb) ,PPM ≤10
砷Arsenic(以As计)PPM ≤3
溶解度(25℃)g/100g水Solubility in Water ≥1.0
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