以硅烷化苏玛罐和Tedlar气袋为保存容器,干燥空气为本底,利用低温冷阱浓缩-气相色谱/质谱联用法检测,研究甲硫醇气体样品在不同容器、温度和浓度等条件下的浓度变化趋势。结果表明,甲硫醇样品使用Tedlar气袋采样并在4℃环境下保存时具有相对较好的稳定性,对于浓度在约3 ppb至20 ppb的样品其保存有效期可达96 h 当有一定量的二甲二硫共存时,可延长甲硫醇的保存期限,以保证结果的有效性与准确性。
使用自动电位滴定仪测定硫醇硫的含量使用日本京都电子公司(KEM)-自动电位滴定仪(AT-700),测定馏分燃料中硫醇硫的应用资料。符合下列标准规范:GB/T1792-1988 馏分燃料中硫醇硫测定法(电位滴定法)。GB/T 11060.6-2011 天然气含硫化合物的测定第6部分:用电位法测硫化氢、硫醇硫和硫氧化碳含量。ASTM D3227-04a(2010) Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method)(汽油、煤油、航空汽轮机燃料及馏出燃料中(硫醇态)硫含量的试验方法(电位法)。UOP163-10 Hydrogen Sulfide and Mercaptan Sulfur in Liquid Hydrocarbons by Potentiometric Titration(用电位滴定法测定液烃中氢化硫和硫醇硫)。ISO 3012:1999 Petroleum products -- Determination of thiol (mercaptan) sulfur in light and middle distillate fuels -- Potentiometric method(石油产品轻质和中间馏份燃料硫醇硫的测定电位滴定法)。ISO 6326-3:1989 Natural gas -- Determination of sulfur compounds -- Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry(用电势分析法对硫化氢、硫醇硫和硫化羰基硫的测定)。BS 2000-272:2000 Methods of test for petroleum and its products. Determination of mercaptan sulfur and hydrogen sulfide content of liquefied petroleum gases (LPG). Electrometric titration method(石油和石油产品的试验方法.液化石油气(LPG)的硫醇硫和硫化氢含量的测定.电位滴定法)。
使用自动电位滴定仪测定硫醇硫的含量使用日本京都电子公司(KEM)-自动电位滴定仪(AT-700),测定馏分燃料中硫醇硫的应用资料。符合下列标准规范:GB/T1792-1988 馏分燃料中硫醇硫测定法(电位滴定法)。GB/T 11060.6-2011 天然气含硫化合物的测定第6部分:用电位法测硫化氢、硫醇硫和硫氧化碳含量。ASTM D3227-04a(2010) Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method)(汽油、煤油、航空汽轮机燃料及馏出燃料中(硫醇态)硫含量的试验方法(电位法)。UOP163-10 Hydrogen Sulfide and Mercaptan Sulfur in Liquid Hydrocarbons by Potentiometric Titration(用电位滴定法测定液烃中氢化硫和硫醇硫)。ISO 3012:1999 Petroleum products -- Determination of thiol (mercaptan) sulfur in light and middle distillate fuels -- Potentiometric method(石油产品轻质和中间馏份燃料硫醇硫的测定电位滴定法)。ISO 6326-3:1989 Natural gas -- Determination of sulfur compounds -- Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry(用电势分析法对硫化氢、硫醇硫和硫化羰基硫的测定)。BS 2000-272:2000 Methods of test for petroleum and its products. Determination of mercaptan sulfur and hydrogen sulfide content of liquefied petroleum gases (LPG). Electrometric titration method(石油和石油产品的试验方法.液化石油气(LPG)的硫醇硫和硫化氢含量的测定.电位滴定法)。
AT-700自动电位滴定仪测定测定石油气中硫醇硫的含量的应用-2012Mercaptan使用自动电位滴定仪测定硫醇硫的含量的应用Mercaptan test by AT-700使用日本京都电子公司(KEM)-自动电位滴定仪(AT-700),测定馏分燃料中硫醇硫的应用资料。自动电位滴定仪AT-610自动电位滴定仪AT-510自动电位滴定仪AT-500N 符合下列标准规范: GB/T 1792-1988 馏分燃料中硫醇硫测定法(电位滴定法)。Distillate fuels-Determination of mercaptan sulphur-Potentiometric titration method GB/T 11060.6-2011 天然气含硫化合物的测定第6部分:用电位法测硫化氢、硫醇硫和硫氧化碳含量。Natural gas - Determination of sulfur compounds - Part 6: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry ASTM D3227 - 04a(2010) Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method)(汽油、煤油、航空汽轮机燃料及馏出燃料中(硫醇态)硫含量的试验方法(电位法)。 UOP163 - 10 Hydrogen Sulfide and Mercaptan Sulfur in Liquid Hydrocarbons by Potentiometric Titration(用电位滴定法测定液烃中氢化硫和硫醇硫)。 ISO 3012:1999 Petroleum products -- Determination of thiol (mercaptan) sulfur in light and middle distillate fuels -- Potentiometric method(石油产品轻质和中间馏份燃料硫醇硫的测定电位滴定法)。 ISO 6326-3:1989 Natural gas -- Determination of sulfur compounds -- Part 3: Determination of hydrogen sulfide, mercaptan sulfur and carbonyl sulfide sulfur by potentiometry(用电势分析法对硫化氢、硫醇硫和硫化羰基硫的测定)。 BS 2000-272:2000 Methods of test for petroleum and its products. Determination of mercaptan sulfur and hydrogen sulfide content of liquefied petroleum gases (LPG). Electrometric titration method(石油和石油产品的试验方法.液化石油气(LPG)的硫醇硫和硫化氢含量的测定.电位滴定法)。