检测项目
1.铅浓度检测:检测限值≤0.01mg/m³,采样体积10L,温度范围20-25°C
2.镉浓度检测:检测限值≤0.005mg/m³,使用石英滤膜采集,流量1.0L/min
3.汞浓度检测:检测限值≤0.001mg/m³,采用冷原子吸收法,采样时间30min
4.铬浓度检测:总铬限值≤0.05mg/m³,六价铬限值≤0.01mg/m³,酸消化处理
5.砷浓度检测:检测限值≤0.002mg/m³,氢化物发生原子荧光法,采样压力100kPa
6.镍浓度检测:检测限值≤0.02mg/m³,电感耦合等离子体法,相对湿度50%±5%
7.铜浓度检测:检测限值≤0.03mg/m³,火焰原子吸收光谱法,采样高度1.5m
8.锌浓度检测:检测限值≤0.05mg/m³,紫外可见分光光度法,流量稳定性±2%
9.颗粒物浓度检测:总悬浮颗粒物限值≤10mg/m³,PM2.5限值≤5mg/m³,重量法测定
10.挥发性有机物检测:苯系物限值≤0.1mg/m³,采用吸附管采样,热脱附分析
11.锰浓度检测:检测限值≤0.01mg/m³,石墨炉原子吸收法,采样时间60min
12.钴浓度检测:检测限值≤0.005mg/m³,电感耦合等离子体质谱法,校准曲线R²≥0.999
13.硒浓度检测:检测限值≤0.001mg/m³,原子荧光光谱法,采样流速0.5L/min
14.钒浓度检测:检测限值≤0.01mg/m³,X射线荧光光谱法,样品预处理酸洗
15.铊浓度检测:检测限值≤0.0005mg/m³,电感耦合等离子体法,温度控制25°C
检测范围
1.铸铁铸造废气:涉及铅、镉、铬等重金属,采样点位于熔炼炉出口
2.铸铝铸造废气:检测汞、镍、铜元素,适用于低压铸造工艺
3.铸铜铸造废气:重点监测砷、锌、硒,采样频率每小时一次
4.铸钢铸造废气:包含锰、钒、钴重金属,使用高温过滤采集
5.镁合金铸造废气:检测铊、镍、铬浓度,适用于压铸环境
6.锌合金铸造废气:监测铅、镉、汞,采样体积20L
7.砂型铸造废气:涉及颗粒物和挥发性有机物,结合重金属分析
8.压铸工艺废气:检测锌、铜、镍,采样时间基于生产周期
9.熔模铸造废气:重点分析铬、砷、汞,使用多级采样系统
10.离心铸造废气:监测锰、钴、钒,采样高度2.0m
11.连续铸造废气:检测铅、镉、硒,适用于钢铁行业
12.消失模铸造废气:涉及苯系物和重金属,采样点位于成型区
13.低压铸造废气:监测镍、铜、锌,流量控制1.5L/min
14.重力铸造废气:检测汞、铬、砷,使用防污染采样器
15.高压铸造废气:重点分析颗粒物和重金属,采样温度40°C
检测方法
国际标准:
ISO15202-1:2020workplaceairdeterminationofmetalsbyICP-AES
ASTMD6784-02standardtestmethodforelementalcontentinairbyICP-MS
ISO11041:2020determinationofparticulatemercuryinair
ASTMD8333-20standardpracticeforsamplingworkplaceairformetals
ISO17733:2020determinationofmercuryanditscompoundsinair
ASTMD7440-23standardpracticeforsamplingairborneparticulates
ISO30011:2020workplaceairdeterminationofmetalsbyFAAS
ASTMD8358-21standardtestmethodfordeterminationoftracemetalsinair
ISO13137:2020workplaceatmospherespumpsforpersonalsampling
ASTMD8416-22standardguideformonitoringairbornegasesandvapors
国家标准:
GB/T16157-2021determinationofparticulatesinairfromstationarysources
GB/T15432-2021ambientairdeterminationoftotalsuspendedparticulates
GB/T18883-2022indoorairqualitystandardforheavymetals
GB/T17061-2021workplaceairdeterminationofmetalsbyatomicabsorptionspectrometry
GB/T16000-2021determinationofmercuryinaircoldatomicabsorptionmethod
GB/T16159-2021samplingmethodsforairpollutantsfromstationarysources
GB/T15264-2021ambientairdeterminationofleadgraphitefurnaceatomicabsorptionspectrometry
GB/T14582-2021determinationofbenzeneseriesinairbyactivatedcarbonadsorption
GB/T18884-2022determinationofchromiuminairbydiphenylcarbazidespectrophotometry
GB/T16158-2021workplaceairdeterminationofarsenicatomicfluorescencemethod
检测设备
1.电感耦合等离子体质谱仪:型号ICPMS-5000,检测下限0.1μg/m³,分辨率0.01amu
2.原子吸收光谱仪:型号AAS-300,支持火焰和石墨炉模式,波长范围190-900nm
3.大气采样器:型号AS-200,流量范围0.1-5.0L/min,精度±2%
4.颗粒物监测仪:型号PM-100,测量范围0-100mg/m³,自动称重系统
5.冷原子吸收测汞仪:型号CVAAS-50,检测限0.001μg/m³,温度控制20°C
6.X射线荧光光谱仪:型号XRF-800,元素分析范围钠至铀,精度±1%
7.热脱附仪:型号TD-400,用于挥发性有机物采样,脱附温度50-400°C
8.紫外可见分光光度计:型号UVS-600,波长范围200-800nm,吸光度精度0.001
9.电子天平:型号BAL-1000,称量范围0-100g,精度0.0001g
10.气体校准器:型号GCAL-200,流量校准精度±1%,压力范围0-100kPa