《柴油發(fā)動機(jī)氮氧化物還原劑+尿素水溶液（AUS32）快速篩查技術(shù)規(guī)范》征求意見稿編制說明

1《車用尿素快速檢測方法近紅外光譜法》2隨著我國國六標(biāo)準(zhǔn)的全面實(shí)行，SCR（選擇性催化還原）尾氣后保質(zhì)期大于12個(gè)月，≤35℃保質(zhì)期大約6個(gè)月，在夏天，由于保質(zhì)34氣中繼續(xù)污染環(huán)境。此外，尿素含量會影響尿素水溶尿素水溶液的尿素含量及質(zhì)量。若密度和/或用于在實(shí)驗(yàn)室環(huán)境下進(jìn)行測量，并且檢驗(yàn)周期567按照儀器操作手冊設(shè)定儀器參數(shù)，掃描波數(shù)范圍：10000cm-1~8表1車用尿素各項(xiàng)質(zhì)量指標(biāo)重復(fù)性和再現(xiàn)性項(xiàng)目標(biāo)準(zhǔn)重復(fù)性再現(xiàn)性尿素含量AUS321密度SH/T0604折光率GB/T6140.08醛類AUS320.25堿度AUS320.03縮二脲AUS320.04不溶物AUS329表2車用尿素定標(biāo)模型驗(yàn)證結(jié)果序號尿素折光率縮二脲堿度醛類不溶物密度近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差近紅外化驗(yàn)值偏差133.033.1-0.11.38311.3839-0.00080.140.120.010.130.130.00-0.30.11091.01090.40.6232.732.10.61.38261.3844-0.00180.280.270.010.160.20-0.042.92.80.10.20.10.21088.51088.7-0.3332.332.00.31.38211.3831-0.00100.110.100.010.150.120.032.42.20.10.60.40.21088.51087.80.7432.732.60.11.38171.3823-0.00070.210.23-0.010.150.140.022.52.20.3-0.21090.71090.10.5532.332.4-0.11.38121.3819-0.00060.260.230.020.100.090.010.12.32.5-0.11090.81090.70.1632.031.40.61.38151.38100.00050.270.260.000.130.120.00-0.10.11089.81089.30.6732.432.6-0.21.38221.3833-0.00110.260.28-0.020.160.20-0.043.03.1-0.12.72.60.11090.21090.20.0832.832.50.31.38151.38100.00050.180.20-0.030.110.100.010.0-0.11091.41091.00.3932.131.60.51.38401.38390.00010.190.21-0.020.180.20-0.022.10.32.12.2-0.11088.91089.5-0.732.332.5-0.21.38211.38130.00080.180.160.020.150.130.022.82.9-0.12.20.41088.81088.60.132.533.0-0.51.38311.3842-0.00110.140.15-0.010.160.19-0.03-0.20.80.70.11088.21087.50.732.432.9-0.41.38211.3830-0.00090.160.150.010.110.16-0.050.22.42.7-0.31091.81091.80.033.032.50.51.38171.3828-0.00110.180.20-0.030.110.070.04-0.22.0-0.21088.41088.10.332.833.3-0.51.38221.3825-0.00030.210.22-0.020.170.140.03-0.22.22.20.01088.81088.20.632.832.50.31.38291.38270.00020.260.29-0.030.180.20-0.020.30.11089.61089.40.232.131.70.41.38181.3824-0.00060.160.18-0.020.150.150.00-0.1-0.21091.91091.10.832.332.7-0.41.38391.3850-0.00110.210.180.020.120.100.01-0.10.21090.81091.5-0.632.532.20.31.38141.3817-0.00030.140.110.030.180.150.033.03.1-0.12.22.4-0.21091.01090.20.832.632.20.41.38391.3845-0.00060.210.190.020.110.15-0.032.22.00.2-0.11091.21090.20.931.931.70.21.38201.3837-0.00180.19