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碳酸钡
Barium carbonate
CAS号: 513-77-9
分子式: BaCO3
分子量: 197.34
别名: 沉淀碳酸钡;毒重石
分子结构式:
  货号   品名   产品规格   包装   单价(RMB)   促销价(RMB) 可用库存 备注 数量
101588 碳酸钡 99.99% 25g 68.00 61.2 >10 2
101587 碳酸钡 99.99% 100g 198.00 178.2 >10 2
101586 碳酸钡 SP 25g 80.00 72 >10 2
101585 碳酸钡 GR 500g 59.00 53.1 >10 2
101584 碳酸钡 AR 500g 39.00 35.1 >10 2
性状
质量标准
用途
危险性质
贮存

白色粉末。 几乎不溶于水,不溶于酒精,可溶于酸及氯化铵溶液。

项目Item                                                                         分析纯          化学纯
                                                                                            (AR)            (CP)
含量(BaCO3),%                                                               ≥99.0           99.0
澄清度试验Clarity                                                            合格             合格
盐酸不溶物lnsoluble in hydroc-hloric acid               ≤0.01            0.05
游离碱(以OH计)Free alkali,%                                     ≤0.02           0.05
氯化物(Cl)Chloridea,%                                                ≤0.002          0.01
硫化物(S)Sulfale compounds,%                               ≤0.0001       0.0005
氮化合物(N)Nitrogen compounds,%                       ≤0.002          0.005
钙及锶(以硫酸盐计)Calcium and strontium,%       ≤0.15           0.5
铁(Fe)Iron,%                                                                 ≤0.0005         0.0015
重金属(以Pb计)Heavy metals,%                              ≤0.0005         0.001
硫酸不沉淀物Substances not prec-
ipitated by sulfuric acid,%                                          ≤0.05           0.2

ACS级
项目名称Item                                                                             ACS Grade
含量Assay                                                                                  ≥99.0-101.0%
稀盐酸不溶物Insoluble in dilute hydrochloric acid             ≤0.015%
氯化物(Cl)Chloride(Cl)                                                           ≤0.002%
游离碱Water-soluble titrable base                                        0.002meq/g
氧化物(以NO3计)Oxidizing substances                                ≤0.005%
硫化物(以S计)Sulfide(S)                                                          0.001%
钙(Ca)Calcium(Ca)                                                                 ≤0.05%
钾(K)Potassium(K)                                                                  ≤0.005%
钠(Na)Sodium(Na)                                                                  ≤0.02%
锶(Sr)Strontium(Sr)                                                                 ≤0.7%
重金属(以Pb计)Heavy metals(as Pb)                                 ≤0.001%
铁(Fe)Iron(Fe)                                                                         ≤0.002%


项目                                       高纯级
BaCO3(以干基计)%             ≥99.8
K%                                        ≤0.001
Na%                                       ≤0.001
Mg%                                       ≤0.001
Ca%                                       ≤0.005
Sr%                                       ≤0.001
Cl%                                       ≤0.005
Fe%                                       ≤0.001
H2O%                                      ≤0.1
D50                                       0.5-1.5μm


99.99% metals basis:


外观Appearance                                        白色至类白色粉末
纯度Purity                                                   ≥99.99% Based On Trace Metals Analysis
ICP Assay                                                   Confirms Barium component
痕量金属分析Trace Metal Analysis        ≤200ppm by ICP Atomic emission

主要用于制造光学玻璃、显像管玻璃以及钡磁性材料和电容器等,也用于钢铁渗碳和金属表面处理。是制造其它钡盐及陶瓷、搪瓷、颜料、涂料、橡胶、焊条的原料。还可用作净水剂和杀鼠剂,氧化反应催化剂。

毒性分级 高毒
危险品标志  Xn
危险类别码  22
安全说明  24/25
危险品运输编号  UN 1564 6.1/PG 3
急性毒性 口服- 大鼠 LD50: 418 毫克/ 公斤; 口服- 小鼠 LD50: 200 毫克/ 公斤
可燃性危险特性 受热产生有毒氧化钡烟雾;食之:胃溃疡,肌无力,感觉异常,麻痹,腹泻,呕吐
储运特性 库房通风低温干燥; 与酸类、食品添加剂分开存放
灭火剂 水, 二氧化碳, 干粉, 砂土
职业标准 TWA 0.5 毫克(钡)/ 立方米; STEL 1.5 毫克(钡)/ 立方米
 

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