1 方法确认 method validation实验室通过试验，提供客观有效证据证明特定检测方法满足预期的用途。注：方法确认应当建立方法的性能特性和使用的限制条件，并识别影响方法性能的因素及影响程度，确定方法所适用的基质，以及方法的正确度和精密度。2 方法验证 method verification实验室通过核查，提供客观有效证据证明满足检测方法...
METHODS: ICP-MS method was adopted. The power was 1 300 W; flow rate of cooling gas was 1.5 L/min; flow rate of carrier gas was 0.8 L/min; flow rate of auxiliary gas was 0.2 L/min; integration time was 10 s; delay time of 1 s; repetition times was one time; measurement mode...
of acid, consumes less time and is easier to operate. The results show that the standard curve of the ultra microwave digestion-inductively coupled plasma mass spectrometry (ICP-MS) method is characterized by an ideal ...
英文摘要: OBJECTIVE:To es tablish a method for the content determination of heavy metals [lead (Pb),cadmium(Cd), copper (Cu), mercury (Hg)] and harmful elements [arsenic (As)] in Pediatric paracetamol artificial cow-bezoar and chlorphenamine maleate granules. METHODS :The samples were conduct...
(RSD)ofthismethodwaslessthan5 5%withrecoveryof90%～105%.Theexperimentalmethodisestimatedtobesimple,time-saving,accurate,andcouldreducelaboratorycontamination,whichisanenvironment-friendlymethod.Keywords:inductivelycoupledplasmamassspectrometry(ICP-MS),lighthydrocarbons,determination,arsenic,lead,櫵櫵櫵櫵櫵櫵櫵櫵櫵...
a method for determination of trace heavy metal elements(Pb,As,Hg,Cd)in rice was established by ICP.MS with microwave digestion.The results indicatedthat the method limits for each element were in range of0.01-4).03“玑and the relatively standard deviations were 0_3～3.8%,with the/'ate ...
ICP-MS操作规程 ICP-MS操作规程 操作规程 电感耦合等离⼦体质谱仪 Inductively Coupled Plasma Mass Spectrometer z仪器型号：ICPMS7700 z仪器⼚商：Agilent z启⽤⽇期：2010.3 z应⽤范围：可⽤于洁净⽔、天然⽔、⼟壤、沉积物、矿物、⾷品、⽯油、化⼯产品等环境样品的⾦属元素和部分⾮...
本文为探究微波消解ＩＣＰ－ＭＳ法测定多金属矿物中的钨、锡元素效果。通过实验结果得出，在硝酸（ＨＮＯ３）／氟化氢（ＨＦ）酸条件下，微波消解ＩＣＰ－ＭＳ法测定多金属矿物样品中的钨、锡元素测定结果更加准确，并有效提高两种金属元素的回收率。结论：在对多金属矿物中钨、锡元素进行测定时，可选用在硝酸（Ｈ...
10 ng/L. Due to the lack of a suitable reference material, the accuracy of the method was tested by comparing some of the results with those obtained by 伪-spectrometry, especially for U. There was a sufficient agreement on both results....
英文摘要: OBJECTIVE: To establish a method for simultaneous determination of 27 kinds of heavy metals and trace elements in Halloysitum album from different origins. METHODS: The sample was dissolved by wet digestion. Using inductively coupled plasma mass spectrometry (ICP-MS), carrier gas was arg...