GBZ/T 300. 163-2018 工作场所空气有毒物质测定 第163部分:甲苯二异氰酸酯
GBZ/T 300. 163-2018 工作场所空气有毒物质测定 第163部分:甲苯二异氰酸酯
GBZ/T 300的本部分规定了测定工作场所空气中甲苯二异氰酸酯(TDI)的浸渍滤纸采集-高效液相,色谱法。本部分适用于工作场所空气中甲苯二异氰酸酯浓度的检测。
4.2.6.1 TDI 的仪器操作参考条件:
a) 色谱柱:2m×4mm,OV-17:QF-1:Chromosorb WAW DMCS = 2:1.5:100;
b) 柱温:180℃;
c) 气化室温度:270℃;
d) 检测室温度:270℃;
e) 载气(高纯氮)流量:100mL/min。
4.2.6.2 MDI 的仪器操作参考条件:
a) 色谱柱:2m×4mm,OV-17:QF-1:Chromosorb WAW DMCS = 2:1.5:100;
b) 柱温:230℃;
c) 气化室温度:290℃;
d) 检测室温度:290℃;
e) 载气(高纯氮)流量:100mL/min
GBZ/T 300.163-2018 Determination of Toxic Substances in the Air of Workplace Part 163: Toluene Diisocyanate
GBZ/T 300.163-2018 Determination of Toxic Substances in the Air of Workplace Part 163: Toluene Diisocyanate
This part of GBZ/T 300 stipulates the use of impregnated filter paper collection-high performance liquid chromatography-chromatography method to determine the concentration of toluene diisocyanate (TDI) in the air of the workplace. This part is applicable to the detection of toluene diisocyanate concentration in the air of the workplace.
4.2.6.1 Reference conditions for instrument operation of TDI:
a) Chromatographic column: 2m×4mm, OV-17: QF-1: Chromosorb WAW DMCS = 2:1.5:100;
b) Column temperature: 180℃;
c) Gasification chamber temperature: 270℃;
d) Temperature of the testing room: 270℃;
e) Flow rate of carrier gas (high purity nitrogen): 100mL/min.
4.2.6.2 Reference conditions for instrument operation of MDI:
a) Chromatographic column: 2m×4mm, OV-17: QF-1: Chromosorb WAW DMCS = 2:1.5:100;
b) Column temperature: 230℃;
c) Gasification chamber temperature: 290℃;
d) Temperature of the testing room: 290℃;
e) Flow rate of carrier gas (high purity nitrogen): 100mL/min
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