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 | 促銷 |
Chromotropic acid disodium salt dihydrate | 98% | 50g | RMB 334.4 | 促銷 |
Chromotropic acid disodium salt dihydrate | ACS | 25g | RMB 206.8 | 現(xiàn)貨 |
Chromotropic acid disodium salt dihydrate | AR | 25g | RMB 96.8 | 現(xiàn)貨 |
項目 ACS級
名稱Item (ACS Grade)
澄清度Clarity of solution passes test
對硝酸鹽靈敏度試驗Sensitivity to nitrate passes test
對甲醛靈敏度試驗Sensitivity to formaldehyde passes test
草酸鹽(C2O4)Oxalate passes test
磷酸鹽(PO4)Phosphate ≤0.001%
硫酸鹽(SO4)Sulfate ≤0.002%
鐵(Fe)Iron(Fe) ≤3ppm
鉛(Pb)Lead(Pb) ≤2ppm
易炭化物Substances carbonizable by hot sulfuric acid passes test
98%:
外觀Appearance 類白色至灰色或淺棕色粉末
紅外光譜鑒別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
硫酸鹽Sulfate ≤0.02%
水water 8-10%
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