1) Trace impurity yttrium
痕量钇
2) trace
痕量
1.
Recent Progress of Inorganic Trace Analysis by Mass Spectrometry;
质谱的无机痕量分析进展
2.
Determination of Trace Phosphine by Gas Chromatography;
气相色谱-氮磷检测器分析痕量磷化氢
3.
Determination of ultratrace plumbum by catalytic spectrophotometry;
催化光度法测定超痕量铅
3) Trace arsenic
痕量As
4) trace and ultra trace elements
痕量超痕量元素
5) trace element
痕量元素
1.
A review on the determination of trace elements in cigarette smoke;
卷烟烟气中微量和痕量元素研究综述
2.
Geochemistry of trace elements in coal from North Shanxi Province to North Ningxia Huizu Autonomous Region;
晋北-宁北煤中痕量元素的地球化学特征
3.
Determination of trace elements in copper-zinc alloy by ICP-MS;
ICP-MS测定铜锌合金中痕量元素
6) trace analysis
痕量分析
1.
The influence of spectral interferences on trace analysis of steels & alloys by inductively coupled plasma mass spectrometry;
电感耦合等离子体质谱干扰对钢铁及合金痕量分析的影响
2.
The stability of silver solution in trace analysis;
痕量分析中银溶液的稳定性
参考词条
补充资料：超痕量分析
分子式：
CAS号：
性质：分析化学中对试样待测物质浓度低于10-6，即<1μg/g时，各种分析方法的测定限。
CAS号：
性质：分析化学中对试样待测物质浓度低于10-6，即<1μg/g时，各种分析方法的测定限。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。