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草酸银

草酸银
识别
CAS号 533-51-7  ☒N
PubChem 62364
ChemSpider 56153
SMILES
 
  • [Ag+].[Ag+].[O-]C(=O)C([O-])=O
InChI
 
  • 1/C2H2O4.2Ag/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2
InChIKey XNGYKPINNDWGGF-NUQVWONBAW
EINECS 208-568-3
RTECS RO2900000
性质
化学式 Ag
2
C
2
O
4
摩尔质量 303.755 g/mol g·mol⁻¹
外观 白色粉末
密度 5 g/cm3
熔点 140 °C 分解
溶解性 3.270×10–3 g/100mL
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

草酸银Ag
2
C
2
O
4
)是银离子与草酸盐阴离子构成的化合物。它微溶于水,但可溶于氨水氰化钾溶液。在实验岩石学中被广泛用于向实验添加二氧化碳(CO
2
),因为在地质条件中,它会分解为银和二氧化碳[1]。受到加热、撞击或摩擦时会爆炸[2]

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草酸银
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