金属碲/碲粉/碲锭 Tellurium Cas号 【13494-80-9】 MDL: --MFCD00134062 Beilstein EINECS: --236-813-4 分子式 Te 分子量 127.60 别名 金属碲 性状 斜方晶系银白色结晶。
溶于*、*、*、*、*;不溶于冷水和热水、*。
熔点:452℃沸点:1390℃密度:6.25 备注: 以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。
质量标准 99.99% metals basis,0.5-2mm 外观Appearance Grey/Silver GranulesX-射线衍射X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.99% Based on Trace Metals Impurities尺寸Size: 0.5-2mmICP: Confirms Tellurium Component Confirmed 痕量金属杂质total metallic impurities ≤200ppm by ICP Atomic emission Granules,99.999% metals basis: 外观Appearance Silver to Grey Granules X-射线衍射X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.999% Based on Trace Metals ImpuritiesICP: Confirms Tellurium Component Confirmed 痕量金属杂质total metallic impurities ≤20ppm by ICP Atomic emission powder,99.997% metals basis: 外观Appearance Grey to Dark Grey Powder or Granular PowderX-射线衍射X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.997% Based on Trace Metals ImpuritiesICP: Confirms Tellurium Component Confirmed 痕量金属杂质total metallic impurities ≤30ppm by ICP Atomic emission 贮存 密封保存。
用途 碲加到钢中,可增加钢得延展性;铸铁中的痕量碲可使铸件表面坚硬、耐磨;碲还用作电池的**板印刷铅字,以及蓝、棕、红色玻璃的着色剂。
联合国编号 3288 Risk: R25- Safety : S45- Hazard : T - 标签: 上海市金属碲 上海市金属碲厂家
上海市 上海市上海市金属碲厂家
供应金属碲
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