鈮粉 [7440-03-1]
-
英文名:Niobium powder
- 別名:鈮
- CAS號:7440-03-1 分子式:NB 分子量:92.91
P143983-25g 鈮粉 [7440-03-1] 99.5%,200目 25g 139.00
P143982-100g 鈮粉 [7440-03-1] 99.99% 100g 750.00
P143984-100g 鈮粉 [7440-03-1] 99.99% 100g 465.00
P143981-25g 鈮粉 [7440-03-1] 99.99% 25g 268.00
P143980-5g 鈮粉 [7440-03-1] 99.99% 5g 87.00
P143982-100g 鈮粉 [7440-03-1] 99.99% 100g 750.00
P143984-100g 鈮粉 [7440-03-1] 99.99% 100g 465.00
P143981-25g 鈮粉 [7440-03-1] 99.99% 25g 268.00
P143980-5g 鈮粉 [7440-03-1] 99.99% 5g 87.00
訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數量 |
P143983-25g | 鈮粉 [7440-03-1] | 99.5%,200目 | 25g | 139.00 | 139.00 | 登錄可見 |
P143983-25g 鈮粉 [7440-03-1] 99.5%,200目 25g 139.00
|
P143982-100g | 鈮粉 [7440-03-1] | 99.99% | 100g | 750.00 | 750.00 | 登錄可見 |
P143982-100g 鈮粉 [7440-03-1] 99.99% 100g 750.00
|
P143984-100g | 鈮粉 [7440-03-1] | 99.99% | 100g | 465.00 | 465.00 | 登錄可見 |
P143984-100g 鈮粉 [7440-03-1] 99.99% 100g 465.00
|
P143981-25g | 鈮粉 [7440-03-1] | 99.99% | 25g | 268.00 | 268.00 | 登錄可見 |
P143981-25g 鈮粉 [7440-03-1] 99.99% 25g 268.00
|
P143980-5g | 鈮粉 [7440-03-1] | 99.99% | 5g | 87.00 | 87.00 | 登錄可見 |
P143980-5g 鈮粉 [7440-03-1] 99.99% 5g 87.00
|
化學性質
閃亮、柔軟、銀白色、金屬。硬而有延展性。室溫下在空氣中穩(wěn)定。加熱時與鹵素反應生成五鹵化物。溶于氫氟酸和濃硫酸,能與氫氧化鈉溶液反應。 熔點 2468 °C(lit.) 沸點 4742 °C(lit.) 密度 8.57 g/mL at 25 °C(lit.)
質量標準
99.5%: |
外觀Appearance 灰色粉末 |
X-射線衍射分析X-Ray Diffraction Conforms to standard |
純度Purity ≥99.5% Based On Trace Metals Analysis |
ICP Assay Confirms Niobium component |
總金屬雜質Total metallic impurities 3000ppm by ICP Atomic emission |
(Fe、Cu、C、N、Ni、Mn、Si、Mo、Cr、O、Ta) |
99.99%: |
外觀Appearance 灰色粉末 |
X-射線衍射分析X-Ray Diffraction Conforms to standard |
純度Purity ≥99.99% Based On Trace Metals Analysis |
ICP Assay Confirms Niobium component |
總金屬雜質Total metallic impurities 200ppm by ICP Atomic emission |
危險性質
危險品標志 F,Xi
危險類別碼 17-36/37/38
安全說明 17-36-26
WGK Germany -
RTECS號 QT9900000
HazardClass 8
PackingGroup II
用途及存儲
主要用于生產不銹鋼以及制造超導磁鐵等
密封干燥保存。