Name | Specifications | Packing | Price | Delivery |
Chromotropic acid disodium salt dihydrate | AR | 1kg | RMB 2728 | Consulting service |
Chromotropic acid disodium salt dihydrate | 98% | 250g | RMB 1317.8 | 促销 |
Chromotropic acid disodium salt dihydrate | 98% | 50g | RMB 334.4 | 促销 |
Chromotropic acid disodium salt dihydrate | ACS | 25g | RMB 206.8 | 现货 |
Chromotropic acid disodium salt dihydrate | AR | 25g | RMB 96.8 | 现货 |
项目 ACS级
名称Item (ACS Grade)
澄清度Clarity of solution passes test
对硝酸盐灵敏度试验Sensitivity to nitrate passes test
对甲醛灵敏度试验Sensitivity to formaldehyde passes test
草酸盐(C2O4)Oxalate passes test
磷酸盐(PO4)Phosphate ≤0.001%
硫酸盐(SO4)Sulfate ≤0.002%
铁(Fe)Iron(Fe) ≤3ppm
铅(Pb)Lead(Pb) ≤2ppm
易炭化物Substances carbonizable by hot sulfuric acid passes test
98%:
外观Appearance 类白色至灰色或浅棕色粉末
红外光谱鉴别Infrared spectrometry Conforms
含量assay ≥98.0% (中和滴定)
水中不溶物Insoluble matter in H2O <0.02 %
甲醛分析NO3 andformaldehyde-analysys test passes
硫酸盐Sulfate ≤0.02%
水water 8-10%
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