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性 狀：
用 途：
檢驗(yàn)報(bào)告：
Appearance and properties: white powder
Density: 2.84 g/mL at 25 C (lit.)
Melting point: 520 C (lit.)
Storage conditions: low temperature drying of the warehouse, and combustible, reducing agent, food storage and transportation
用 途：
Used as catalyst and mordant were used as analytical reagents;
檢驗(yàn)報(bào)告：
