金屬碲/碲粉/碲錠 Tellurium ? Cas號(hào) 【13494-80-9】? MDL:? --MFCD00134062 Beilstein?? EINECS:? --236-813-4 分子式 Te 分子量 127.60 別名 金屬碲? 性狀 斜方晶系銀白色結(jié)晶。
溶于*、*、*、*、*；不溶于冷水和熱水、*。
熔點(diǎn)：452℃沸點(diǎn)：1390℃密度：6.25 ?? 備注:? 以上描述，僅作參考，并不表示您收到的產(chǎn)品，與此項(xiàng)描述完全相符，產(chǎn)品的出廠標(biāo)準(zhǔn)，請(qǐng)參見(jiàn)質(zhì)量標(biāo)準(zhǔn)。
質(zhì)量標(biāo)準(zhǔn)? ?99.99% metals basis，0.5-2mm 外觀Appearance????????????????????????? Grey/Silver GranulesX-射線衍射X-Ray Diffraction???????????? Conforms to Structure 純度Purity????????????????????????????? ≥99.99% Based on Trace Metals Impurities尺寸Size:?????????????????????????????? 0.5-2mmICP:??????????????????????????????????? Confirms Tellurium Component Confirmed 痕量金屬雜質(zhì)total metallic impurities?? ≤200ppm by ICP Atomic emission Granules,99.999% metals basis: 外觀Appearance????????????????????????? Silver to Grey Granules X-射線衍射X-Ray Diffraction???????????? Conforms to Structure 純度Purity????????????????????????????? ≥99.999% Based on Trace Metals ImpuritiesICP:??????????????????????????????????? Confirms Tellurium Component Confirmed? 痕量金屬雜質(zhì)total metallic impurities?? ≤20ppm by ICP Atomic emission powder,99.997% metals basis: 外觀Appearance????????????????????????? Grey to Dark Grey Powder or Granular PowderX-射線衍射X-Ray Diffraction???????????? Conforms to Structure 純度Purity????????????????????????????? ≥99.997% Based on Trace Metals ImpuritiesICP:??????????????????????????????????? Confirms Tellurium Component Confirmed 痕量金屬雜質(zhì)total metallic impurities?? ≤30ppm by ICP Atomic emission 貯存 密封保存。
用途 碲加到鋼中，可增加鋼得延展性；鑄鐵中的痕量碲可使鑄件表面堅(jiān)硬、耐磨；碲還用作電池的極板印刷鉛字，以及藍(lán)、棕、紅色玻璃的著色劑。
聯(lián)合國(guó)編號(hào) 3288 Risk：? R25-? Safety :? S45-? Hazard :? T -? 標(biāo)簽： ? ? 上海市金屬碲 ? 上海市金屬碲廠家

上海市 上海市上海市金屬碲廠家
供應(yīng)金屬碲