工作场所粉尘中游离二氧化硅的检测能力比对结果及影响因素分析  

Blind sample assessment detection results of free silica detection in the dust of public places and the analysis of influencing factors of methods

作　　者：高洋洋[1] 安连杰 李小丽[1] 赵媛媛[1] GAO Yangyang;AN Lianjie;LI Xiaoli;ZHAO Yuanyuan(Xicheng District Center for Disease Control and Prevention,Beijing,100120,China)

机构地区：[1]北京市西城区疾病预防控制中心,北京100120

出　　处：《质量安全与检验检测》2024年第5期69-73,共5页QUALITY SAFETY INSPECTION AND TESTING

摘　　要：参加工作场所粉尘中游离二氧化硅的检测能力比对实验,针对实验过程中的操作要点进行探讨,分析影响因素。盲样按照游离二氧化硅的作业指导书的要求,应用GBZ/T 192.4—2007中的焦磷酸法进行测定。检测能力比对结果:通过考核,结果评定为优秀。本文从样品成分、粉尘颗粒大小、焦磷酸制备、温度与速度的控制、洗涤及炭化关键控制点和质量控制等多方面进行了分析和说明,实验过程顺利,数据可靠、准确。Participated in a blind sample assessment detection of free silica in dust in public places,explored the key operating points,and analyzed the influencing factors.Blind samples has been detected according to the requirements of the operation manual for free silica.The method was the pyrophosphate acid method of GBZ/T 192.4-2007.The ability validation results:passed the assessment and the result was rated as excellent.This article analyzed and explained various influencing factors such as sample composition,dust particle size,preparation of pyrophosphoric acid,control of temperature and speed,key control points for washing and carbonization,and quality control.The experimental process was smooth,and the data was reliable and accurate.

关 键 词：游离二氧化硅 检测能力比对 影响因素 

分 类 号：R135.2[医药卫生—劳动卫生]