《车用柴油快速筛查技术规范》征求意见稿编制说明

1《车用柴油快速检测方法近红外光谱法》2），用于在实验室环境下进行测量，并且检验周期3本标准编制工作由延安油气产品质量检验检测有限责任公司承余份，完成了各项试验和验证工作，于2024年7月形成了《车用柴生产单位和使用单位征求意见。2024年8月计划发出《车用柴油快速检测方法近红外光谱法》地方标准制定意见征求函/表10-20份，45按照仪器操作手册设定仪器参数，扫描波长范围：8800cm-1~62)多环芳烃/%0.4～10.60.88800.4635凝点/℃-30.0～-7.00.90781.3247冷滤点/℃-22～4.00.89451.6697十六烷值41.0～54.70.91320.4794十六烷指数41.0～61.80.97110.4056密度/(kg/m3)800.0～867.00.99120.68517表2-1车用柴油定标模型验证结果序号123456789牌号-10号-10号-10号-10号-10号十六烷值近红外测定值52.0553.1552.3052.8052.5554.2352.0451.8952.8252.53标准测定值51.6052.2051.5052.0051.8054.6051.2052.0052.1052.30偏差0.450.950.800.800.75-0.370.840.720.23十六烷指数近红外测定值52.2754.6352.0352.7253.0954.2952.0652.6752.05标准测定值52.2152.4753.2254.4851.7352.2553.2951.88偏差0.060.490.25-0.13-0.190.330.42-0.160.17多环芳烃/%近红外测定值3.543.006.003.633.873.793.603.373.79标准测定值3.602.503.105.703.403.802.802.902.803.50偏差-0.060.500.010.300.230.070.990.700.570.29密度/(kg/m3)近红外测定值827.83821.21828.94829.90826.65822.16827.66826.41825.73831.81标准测定值827.60821.20828.60830.30826.50821.30828.30826.10825.80832.40偏差0.230.010.34-0.400.150.86-0.640.31-0.07-0.59凝点/℃近红外测定值-13.65-14.77-14.22-14.50-9.93-1.33-13.23-15.67-13.29-10.98标准测定值-13.00-16.00-17.00-14.00-9.00-4.00-12.00-13.00-14.00-9.00偏差-0.652.78-0.50-0.932.67-1.23-2.670.71-1.98冷滤点/℃近红外测定值-3.91-4.98-4.49-2.90-0.545.44-4.98-5.53-4.33-2.63标准测定值-4.00-6.00-7.00-3.00-2.003.00-3.00-5.00-6.00-2.00偏差0.092.510.102.44-1.98-0.53-0.638表2-2车用柴油定标模型验证结果序号20牌号-10号-10号-10号-10号十六烷值近红外测定值52.1052.1052.1052.1051.7051.8052.1052.8052.5052.80标准测定值52.0052.0052.0051.5051.3051.2051.2052.2052.2052.20偏差0.100.100.100.600.400.600.900.600.300.60十六烷指数近红外测定值52.3852.4552.6752.8552.2652.7953.6652.0651.36标准测定值52.4452.2453.3052.4851.4152.2952.5353.8851.8951.50偏差-0.070.21-0.630.370.85-0.170.25-0.210.17多环芳烃/%近红外测定值6.005.605.405.105.806.505.604.606.105.50标准测定值5.705.004.506.006.606.506.505.505.405.10偏差0.300.600.90-0.90-0.800.00-0.90-0.900.700.40密度/(kg/m3)近红外测定值832.40834.60830.80834.00835.00831.70831.40830.20834.50834.30标准测定值833.50835.00830.70834.30835.30830.90831.20830.30834.50833.70偏差-1.10-0.500.10-0.30-0.300.800.20-0.100.000.60凝点/℃近红外测定值-13.20-12.30-12.20-6.90-8.70-11.00-12.70-9.10-8.80-5.50标准测定值-14.00-13.00-15.00-5.00-8.00-13.00-13.00-12.00-7.00-7.00偏差0.800.702.80-1.90-0.702.000.302.90-1.80冷滤点/℃近红外测定值-3.30-3.30-4.70-0.60-2.70-5.20-6.20-4.10-2.10-3.60标准测定值-3.00-3.00-5.000.00-2.00-7.00-7.00-5.00-1.00-1.00偏差-0.30-0.300.30-0.60-0.700.800.90-1.10-2.609表2-3车用柴油定标模型验证结果序号21222324252627282930牌号-10号十六烷值近红外测定值54.7556.3156.5556.2555.4952.7156.6351.3048.7051.10标准测定值53.8055.4055.8056.3055.3052.3056.5050.5048.2051.60偏差0.950.910.75-0.050.190.410.130.800.50-0.50十六烷指数近红外测定值53.5854.3054.7054.9153.8951.8955.4751.7548.2851.54标准测定值53.2954.4354.6755.0754.2851.9254.9851.6448.4851.66偏差0.290.03-0.16-0.39-0.030.490.10-0.20-0.13多环芳烃/%近红外测定值3.923.984.273.983.544.583.724.404.204.30标准测定值4.303.503.403.703.405.103.404.404.704.80偏差-0.380.480.870.28-0.520.320.00-0.50-0.50密度/(kg/m3)近红外测定值830.87827.88826.60826.17831.87826.46828.80837.90829.00标准测定值830.30827.10825.70825.00827.00831.20826.10829.10838.00828.70偏差0.570.780.900.670.36-0.30-0.100.30凝点/℃近红外测定值-3.99-4.89-5.63-4.60-6.02-6.13-5.10-17.10-4.10标准测定值-3.00-5.00-6.00-4.00-6.00-7.00-5.00-3.00-20.00-6.00偏差-0.990.37-0.60-0.02-1.13-2.102.90冷滤点/℃近红外测定值-0.45-0.022.40-7.40-1.00标准测定值2.002.00-1.003.00-8.002.00偏差0.260.490.95-0.26-0.520.55-1.02-0.600.60-3.00表3车用柴油各项质量指标重复性和再现性项目标准重复性再现性多环芳烃含量/%SH/T0606、SH/T0806凝点/℃GB/T5104.0冷滤点/℃SH/T0248十六烷值GB/T3864.8十六烷指数SH/T06944.8密度/(kg/m3)GB/T1884、SH/T06040.5谱法检测原理的特殊性以及实际使用情况，参考YLB40-2012《轻质平行测定结果的绝对差值不大于1.0%，凝点平行测定结果的绝对差十六烷指数1近红外测定值52.2552.3552.1851.9852.1852.2752.2352.2251.8552.0752.134.764.874.674.534.764.72-12.19-11.83-12.04-11.66-11.87-11.92-4.05-4.23-4.43-3.84-4.15832.26832.42831.86831.62832.24832.08标差RSD允许差2近红外测定值51.3451.4251.2651.3451.3651.4053.8553.4353.4353.5753.4853.564.032.993.393.543.48-6.36-6.00-6.38-6.25-6.32-6.22-1.13-1.60-1.20-1.35-1.54827.18826.76827.28827.07827.24827.08标差RSD允许差3近红外测定值51.5851.3351.3651.4351.4051.4653.5253.7053.4553.5553.5453.602.303.343.623.093.203.16-5.80-5.73-6.56-6.64-6.58-1.71-0.310.91-0.37-1.05-0.52827.37826.32827.18826.96827.02标差RSD允许差4近红外测定值51.5051.1951.2151.3051.2851.3553.3653.9454.0453.7853.7253.952.983.432.462.963.05-4.84-4.71-5.22-5.92-5.28-5.46-2.292.32-1.13-1.03-1.05-2.52826.99827.33826.80827.04827.02827.08标差RSD允许差5近红外测定值51.9051.7151.7551.7951.7651.8352.5052.3552.2052.3552.4252.321.982.512.132.06-11.85-9.96-11.59-11.13-11.48-11.64-6.96-4.64-6.06-5.89-6.37822.83823.08823.23823.05823.05822.90标差RSD允许差6近红外测定值51.7351.5651.7151.6751.5851.6652.1352.1852.4352.2552.2252.352.321.851.982.052.102.06-10.95-10.07-11.13-11.72-11.06-10.84-7.04-7.9