1) Zn-alloy component standard reference material
锌合金成分标准物质
1.
The evaluating method in the uncertainty of measurement and its application examples in the primary standard material purity,optical reference filter wavelength standard reference material,Zn-alloy component standard reference material are introduced.
介绍了测量不确定度的评定方法及其在基准试剂纯度、干涉滤光片波长标准物质、锌合金成分标准物质中的应用实例。
3) gold standard material
金标准物质
1.
The preparation of gold standard material of high grade ore;
高品位矿石金标准物质的研制
5) reference material of emer grit(standard emery grit)
金刚砂标准物质
6) microanalysis reference material
微分析标准物质
1.
Preparation of a microanalysis reference material (MRM) for X-ray fluorescence analysis was reported in this paper.
将经过高温处理的土壤样品进行反复研磨后,用于X射线荧光微分析标准物质的研制,当99%的粉末粒径≤30μm时,用仪器中子活化和同步辐射X射线荧光进行元素分布均匀性和最少取样量分析,结果表明24个元素的最少取样量可以降到约1mg。
补充资料：压铸铝合金的化学成分和力学性能
序号 | 合金牌号 | 化学成分% | 力学功能(不低于) | |||||||||||||
合金代号 | 硅 | 铜 | 锰 | 镁 | 铁 | 镍 | 钛 | 锌 | 铅 | 锡 | 铝 | 抗拉强度6ЪN | 伸长度 δ/% | 布氏硬度HB5 | ||
1 | YZAISil2 | YL 102 | 10.0 13.0 | ≤ 0.6 | ≤ 0.6 | ≤ 0.05 | ≤ 1.2 |
|
| ≤ 0.3 |
|
| 余 | 220 | 2 | 60 |
2 | YZAISi10Mg | YL 104 | 8.0 10.5 | ≤0.3 | 0.2 0.5 | 0.17 0.30 | ≤ 1.0 |
|
| ≤ 0.3 | ≤ 0.05 | ≤ 0.01 | 余 | 220 | 2 | 70 |
3 | YZAISil2Cu2 | YL 108 | 11.0 13.0 | 1.0 2.0 | 0.3 0.9 | 0.4 1.0 | ≤ 1.0 | ≤ 0.05 |
| ≤ 1.0 | ≤ 0.05 | ≤ 0.01 | 余 | 240 | 1 | 90 |
4 | YZAISi9 Cu4 | YL 112 | 7.5 9.5 | 3.0 4.0 | ≤ 0.5 | ≤ 0.3 | ≤ 1.2 | ≤ 0.5 |
| ≤ 1.2 | ≤ 0.1 | ≤ 0.1 | 余 | 240 | 1 | 85 |
5 | YZAISillCu3 | YL 113 | 9.6 12.0 | 1.5 3.5 | ≤ 0.5 | ≤ 0.3 | ≤ 1.2 | ≤ 0.5 |
| ≤ 1.0 | ≤ 0.1 | ≤ 0.1 | 余 | 230 | 1 | 80 |
6 | YZAISil7 | YL 117 | 16.0 18.0 | 4.0 5.0 | ≤ 0.5 | 0.45 0.65 | ≤ 1.2 | ≤ 0.1 | ≤ 0.1 | ≤ 1.2 |
|
| 余 | 220 | ＜1 |
|
7 | YZAIMg5Sil | YL 302 | 0.8 1.3 | ≤ 0.1 | 0.1 0.4 | 4.5 5.5 | ≤ 1.2 |
| ≤ 0.2 | ≤ 0.2 |
|
| 余 | 220 | 2 | 70 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条