炬管

小型炬管ICP-AES研究Ⅱ&花岗岩中14种稀土元素和钇的测定

A study of miniature torch in icp-aes-determination of fourteen rare earth elements and yttrium in granetes

所设计的气路转换系统和同心石英等离子体炬管等，使扫描式分子气体ICP光谱仪既可用于分子气体ICP放电，又可用于氩ICP放电。

The designed quartz concentric torch and the gaseous transfer system are suitable for both argon ICP discharge and the molecular gases ICP discharges .

1种在炬管内以电感藕合等离子炬为激发光源的光谱分析方法被称为ICP-OES法，这种方法在金属材料分析测试中具有简便、快速、准确的特点。

ICP-OES is a simple and rapid method in element analysis .

加长炬管中Ca，Sr，Ba，Eu，Yb的强短脉冲供电空心阴极灯激发电感耦合等离子体离子/原子荧光光谱

High Current Microsecond Pulsed Hollow Cathode Lamp Excited Inductively Coupled Plasma Ionic Fluorescence Spectrometry of Eu , Yb , Ca , Sr and Ba with an Extended-sleeve Torch

初步研究了碱土金属Ca，Sr，Ba的强短脉冲供电空心阴极灯（HCMPHCL）激发常规短炬管电感耦合等离子体离子荧光光谱（ICPIFS）。

High current microsecond pulsed hollow cathode lamp ( HCMP-HCL ) excited ionic fluorescence spectrometry ( IFS ) of alkaline earth elements in inductively coupled plasma ( ICP ) with a Fassel-torch has been investigated .

一种用来可同时测定氮及其它金属元素的新型延长炬管的设计

New Design of Extended Torch for Simultaneous Determination of Nitrogen and Several Metal Elements

碱土金属的强短脉冲供电空心阴极灯激发常规炬管电感耦合等离子体离子荧光光谱初步研究

High Current Microsecond Pulsed Hollow Cathode Lamp Excited Ionic Fluorescence Spectrometry of Alkaline Earth Elements in Inductively Coupled Plasma with a Fassel-Torch

炬管顶端的尾焰界线清楚，其包含的所有分析元素原子被强热的等离子体激发。

A well defined tail is present on the tip of the torch , which contains all the analyte atoms that have been excited by the intense heat of the plasma .

分别对待测离子浓度、炬管轴向位置、雾化气流速、碰撞气流速和离子光学系统电参数做了实验研究，实现了MC-ICP/MS同位素丰度测量条件的优化，同位素丰度比的测量精密度在0.01%以内。

Optimum concentration , sampling position , nebulizer gas flow rate , collision gas flow rate and ion lens system were researched . The precision of isotopic ratio can be better than 0.01 % .

另一方面，采用低功率会导致明显的基体效应，大的功率可以减轻基体影响，但信背比和检出限受损，同时增加了烧蚀炬管的危险。

On the other hand , lower power would result in notable matrix effects , increase of power will restrain this interference , but it damages detection limits , and also increases the risk of melting the torch .