GB 00160-25

C52GBZGBZ/T160.252004Methodsfordeterminationofzincanditscompoundsintheairofworkplace20045212004121GBZ/T160.252004GBZ1GBZ2[ZincZincoxideZincchloride]2004121GB/T160131995GB/T1601519951995GBZ/T160.25200412GBZ1593213.8nm-44.10.8m4.240mm4.325mm4.403L/min010L/min4.550ml4.64.74.825ml4.9100ml4.10-55.1201.42g/ml5.2201.18g/ml5.3201.67g/ml5.4100ml900ml5.520ml980ml5.60.1000g10ml100ml1.0mg/ml1.0g/ml6GBZ1596.15L/min15min6.21L/min28h6.31L/min28h277.17.25ml200oC25ml7.3625ml0.02.507.5015.020.025.0ml25ml0.00.100.300.600.801.0μg/ml213.8nm3(g/ml)7.4(g/ml)88.11293PVo=V1273+t101.3VoLVLtPkPa8.2225cC=2VoC1.242.084mg/m325mlcμg/mlVoL8.3GBZ15999.10.025μg/ml0.042μg/ml0.008mg/m30.014mg/m3(75L)0.021μg/ml3.49.292.9959.310pH45.5530nm1111.10.8μm11.240mm11.325mm11.403L/min010L/min11.550ml11.625ml11.71212.1201.18g/ml12.2250.9g/ml12.3C(HCL)=1.5mol/L12.5ml100ml12.41g/L12.5100ml100ml12.6530nm5012.782g500ml62.5g500ml10ml12.8250g/L12.90.1000g10ml100ml1.0mg/ml10.0μg/ml13GBZ15913.15L/min15min13.21L/min28h13.31L/min28h21414.114.210ml30min100ml10ml30.5ml5.0ml14.360.000.100.200.300.400.50ml5.0ml0.01.02.03.04.05.0μg15ml1ml5.0ml2min530nm3g14.4(g)1515.1115.23200mC=3VoC1.242.084mg/m3mgVoL15.3GBZ1591616.10.04g/ml0.07g/ml0.53mg/m30.93mg/m3(75L)0.031g/ml0.68.316.292.595.916.316.40.1g50ml250ml30ml(1+100)2316.5pH