• 釤粉 [7440-19-9]

  • 英文名:Samarium
  • CAS號:7440-19-9 分子式:SM 分子量:150.35
P55591-500g 釤粉 [7440-19-9] 99.5% 500g 2483.00 促銷價:1564.29
P55592-100g 釤粉 [7440-19-9] 99.5% 100g 700.00 促銷價:441.00
P55593-25g 釤粉 [7440-19-9] 99.5% 25g 230.00 促銷價:144.90
P55594-5g 釤粉 [7440-19-9] 99.5% 5g 125.00 促銷價:78.75
P55590-100g 釤粉 [7440-19-9] 99.9% 100g 865.00 促銷價:648.75
P55595-25g 釤粉 [7440-19-9] 99.9% 25g 260.00 促銷價:195.00
P55593-5g 釤粉 [7440-19-9] 99.9% 5g 75.00 促銷價:56.25
P55596-50ml 釤粉 [7440-19-9] 釤標(biāo)準(zhǔn)溶液, 1000μg/ml 50ml 222.00 促銷價:166.50
訂貨編號 商品名稱 規(guī)格 包裝 單價 促銷價 會員價 數(shù)量
P55591-500g 釤粉 [7440-19-9] 99.5% 500g 2483.00 1564.29 登錄可見
P55591-500g 釤粉 [7440-19-9] 99.5% 500g 2483.00 促銷價:1564.29
P55592-100g 釤粉 [7440-19-9] 99.5% 100g 700.00 441.00 登錄可見
P55592-100g 釤粉 [7440-19-9] 99.5% 100g 700.00 促銷價:441.00
P55593-25g 釤粉 [7440-19-9] 99.5% 25g 230.00 144.90 登錄可見
P55593-25g 釤粉 [7440-19-9] 99.5% 25g 230.00 促銷價:144.90
P55594-5g 釤粉 [7440-19-9] 99.5% 5g 125.00 78.75 登錄可見
P55594-5g 釤粉 [7440-19-9] 99.5% 5g 125.00 促銷價:78.75
P55590-100g 釤粉 [7440-19-9] 99.9% 100g 865.00 648.75 登錄可見
P55590-100g 釤粉 [7440-19-9] 99.9% 100g 865.00 促銷價:648.75
P55595-25g 釤粉 [7440-19-9] 99.9% 25g 260.00 195.00 登錄可見
P55595-25g 釤粉 [7440-19-9] 99.9% 25g 260.00 促銷價:195.00
P55593-5g 釤粉 [7440-19-9] 99.9% 5g 75.00 56.25 登錄可見
P55593-5g 釤粉 [7440-19-9] 99.9% 5g 75.00 促銷價:56.25
P55596-50ml 釤粉 [7440-19-9] 釤標(biāo)準(zhǔn)溶液, 1000μg/ml 50ml 222.00 166.50 登錄可見
P55596-50ml 釤粉 [7440-19-9] 釤標(biāo)準(zhǔn)溶液, 1000μg/ml 50ml 222.00 促銷價:166.50
  •  訂貨編號
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價
  •  促銷價
  •  會員價
  •  數(shù)量

化學(xué)性質(zhì)

淺灰色金屬,硬度似鐵,在空氣中穩(wěn)定,但很快變黑。和水反應(yīng)。 沸點(diǎn):1778℃ 熔點(diǎn):1072℃

質(zhì)量標(biāo)準(zhǔn)

  

項(xiàng)目                      高純3N級
含量assay                     ≥99.9%
外觀Appearance                       銀灰色粉末
總痕量金屬雜質(zhì)Total trace metal imp. <0.1 %
RE Min%                              99
Sm/RE%                               99.9
稀土雜質(zhì)max,%
Pr                                   0.01
Nd                                   0.01
La                                   0.004
Y                                    0.005
Ce                                   0.02
非稀土雜質(zhì)max,%  
Fe                                   0.03
Si                                   0.01
Mg                                   0.005
Ca                                   0.007
粒度,目                             180~200

  

危險性質(zhì)

  

用途及存儲

用作有機(jī)反應(yīng)的催化劑、制造激光器材、微波和紅外器材。在原子能工業(yè)中用作控制棒和中子吸收劑。

  密封干燥保存。