


| 货号 | 包装规格 | 操作 |
|---|---|---|
| 32304-250G | 250 g | |
| 32304-500G | 500 g | |
| 32304-1KG | 1 kg |
Ammonium oxalate monohydrate is the diammonium salt of oxalic acid. Its refined crystal structure has been investigated by three-dimensional diffraction studies. Influence of bivalent [Mn(II), Co(II), Ni(II)] and trivalent cations [Fe(III), Cr(III)] impurities on the growth rates of ammonium oxalate monohydrate crystals has been described. Its space group and unit cell parameters have been analyzed by neutron diffraction studies. Its IR spectra has been compared with that of isolated coal-solubilizing agent (CSA).PMID 16348335
草酸铵一水合物可用于制备在pH 5.0的0.1M乙酸铵缓冲液中含有1 mM三(2,2-联吡啶)钌(II)(Ru(bpy)3 2+)和0.2mM草酸铵一水合物的电化学发光(ECL)溶液。
| 英文名称 | Ammonium oxalate monohydrate |
| CAS 号 | 6009-70-7 |
| 线性分子式 | (NH4)2C2O4 · H2O |
| 经验分子式 | C2H8N2O4 · H2O |
| 分子量 | 142.11 |
| UNSPSC | 12352302 |
| NACRES | NA.21 |
| EC 号 | 238-135-4 |
| MDL 号 | MFCD00149694 |
| InChI key | MSMNVXKYCPHLLN-UHFFFAOYSA-N |
| InChI | 1S/C2H2O4.2H3N.H2O/c3-1(4)2(5)6;;;/h(H,3,4)(H,5,6);2*1H3;1H2 |
| SMILES字符串 | (二)不合格品; |
| 等级 | ACS试剂; p.a. |
| 机构 | 美国药典/美国国家处方集;国际标准化组织;欧洲药典 |
| 蒸气压 | <0.1 hPa(20 °C) |
| 含量测定 | 99.5-101.0% |
| 形态 | 结晶 |
| 杂质 | 水不溶物≤0.005% |
| 符号残数 | ≤ 0.02%(以SO4计) |
| pH | 6-7 (20 °C, 2.5%) |
| 熔点 | 133 °C(dec.)(lit.) |
| 阴离子痕迹 | 氯化物(Cl-):≤5 mg/kg;硝酸盐(NO3-):≤5 mg/kg;硫酸盐(SO 42-):≤20 mg/kg |
| 阳离子痕量 | 钙:≤10 mg/kg;镉:≤ 5 mg/kg;铜:≤5 mg/kg;铁:≤2 mg/kg;钾:≤10 mg/kg;镁:≤10 mg/kg;钠:≤10 mg/kg;铅:≤5 mg/kg;锌:≤5 mg/kg |
| 质量等级 | 100 |
| 包装规格(货号 32304-250G) | 250 g |
| 包装规格(货号 32304-500G) | 500 g |
| 包装规格(货号 32304-1KG) | 1 kg |