场所空气有毒物质jia苯二异qing酸酯、二苯基甲烷二异氰suan酯测定OV-17：QF-1：Chro填充柱
场所空气有毒物质jia苯二异qing酸酯、二苯基甲烷二异氰suan酯测定OV-17：QF-1：Chro填充柱 详细信息：
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的本部分规定了工作场所空气中甲ben二异qing酸酯（TDI）和二苯基甲烷二异qing酸酯（MDI）的溶液吸收-气相色谱法，异佛尔酮二异qing酸酯（IPDI）的溶剂洗脱-液相色谱法。
本部分适用于工作场所空气中甲ben二异qing酸酯、二苯基甲烷二异qing酸酯和异佛尔酮二异qing酸酯浓度的检测。
场所空气有毒物质jia苯二异qing酸酯、二苯基甲烷二异氰suan酯测定OV-17：QF-1：Chro填充柱 测试谱图：
Determination of toxic substances in the air of the site: Jia benzene diisocyanate, diphenylmethane diisocyanate OV-17: QF-1: Chro packed column
Determination of toxic substances in the air of the place: jia benzene diisocyanate, diphenylmethane diisocyanate OV-17: QF-1: Chro packed column Details:
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
This part of GBZ/T 300 specifies the solution absorption-gas chromatography method for toluene diisocyanate (TDI) and diphenylmethane diisocyanate (MDI) in the air of the workplace, and the solvent elution-high performance liquid chromatography method for isophorone diisocyanate (IPDI).
This section is applicable to the detection of toluene diisocyanate, diphenylmethane diisocyanate, and isophorone diisocyanate concentrations in the air of the workplace.
