产品名称:碳酸钠(无水)
CAS 号:497-19-8
规格:工作基准、优级纯、分析纯、化学纯、电池级
分子式:Na2CO3
性状:
白色粉末或小颗粒。具有吸水性,在空气中逐渐吸收水分成为一水合物。相对密度2.532。400℃开始分解。熔点851℃,易溶于水,不溶于乙醇。
?指标名称
规格
?
指定级 工作基准
第一基准
优级纯
分析纯
化学纯
电池级
??? ? ? 根据客户要求制作 含量
≥99.95-100.05%
≥99.98-100-02%
≥99.8%
≥99.8%
≥99.8%
≥99.5% 澄清度实验
2号
合格
合格
合格
合格
- 水不溶物
?
≤0.005%
≤0.005
≤0.01%
≤0.02%
- 氯化物
≤0.001%
≤0.001%
≤0.001%
≤0.002%
≤0.005%
≤0.005% 灼烧失重
≤0.5
-
≤0.5%
≤1.0%
≤1.0%
- 硫化合物
≤0.003%
≤0.003%
≤0.003%
≤0.005%
?? ??≤0.01%???
- 氮化合物
-
-
≤0.001%
≤0.001%
≤0.002%
- 磷酸盐和硅酸盐
≤0.0025%
≤0.0025%
≤0.0025%
≤0.006%
≤0.013%
- 总氮量
≤0.001%
-
≤0.001%
?≤0.001%
≤0.002%
- 镁
≤0.0005%
≤0.0005%
≤0.0005%
≤0.002%
≤0.005%
≤0.002% 铝
≤0.001%
≤0.001%
≤0.001%
≤0.003%
≤0.01%
≤0.002% 铅
-
-
-
-
-
≤0.0003% 硼
-
-
-
-
-
≤0.002% 铬
-
-
-
-
-
≤0.0003% 镍
-
-
-
-
-
≤0.002% 钾
≤0.005%
≤0.005%
≤0.005%
≤0.005%
≤0.02%
≤0.005% 钙
≤0.01%
≤0.005%
≤0.005%
≤0.01%
≤0.02%
≤0.005% 铁
≤0.0003%
≤0.0003%
≤0.0003%
≤0.0005%
≤0.001%
≤0.001% 硫酸根
-
-
-
-
-
≤0.08% 重金属
≤0.0005%
≤0.0005%
≤0.0005%
≤0.0005%
≤0.001%
- 锌
-
-
-
-
-
≤0.0003% 铜
-
-
-
-
-
≤0.0003% 磁性物质
-
-
-
-
-
≤0.0003% 粒度
-
-
-
-
-
D10≥1.0μm 4.0μm≤D50≤16.0μm D90≤35μm D100≤60μm?GB1255-2007?【用途】用于玻璃、搪瓷着色,制钴化合物,以及涂料及清漆的干燥剂 (特殊产品指标可以定做)【包装】编织袋内衬塑料袋,牛皮纸袋,纸筒净重25kg(或根据客户要求定做)