城市大气尘
| 【编号】:NIST-SRM1649b 【名称】:城市大气尘 【规格】:2g 【价格】:10000元 ![]()
Urban dust - Organic contaminants
This Standard Reference Material (SRM ) is an atmospheric particulate material collected in an urban area andis intended for use in evaluating analytical methods for the determination of selected polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCB) congeners, and chlorinated pesticides in atmospheric particulate material and similar matrices. Reference values are also provided for nitro-substituted polycyclic aromatic hydrocarbons (nitro-PAHs), decabromodiphenyl ether, toxaphene congeners, and polychlorinated dibenzo-p-dioxin and dibenzofuran congeners. Information concentration values are provided for selected hydrocarbons, hopanes, steranes, ketones, and particle-size characteristics. All of the constituents for which certified, reference, and information values are provided in NIST-1649B are naturally present in the particulate material. Certified concentrations for selected PAHs Mass fraction ( mg ) Mass fraction ( mg )Phenanthrene ...................................... 3.941 ± 0.047 Benzo[e]pyrene ................................... 2.970 ± 0.043 4H-Cyclopenta[def]phenanthrene ........ 0.252 ± 0.018 Benzo[a]pyrene ....................................... 2.47 ± 0.17 Fluoranthene ............................................ 6.14 ± 0.12 Perylene .............................................. 0.606 ± 0.013 Pyrene ................................................. 4.784 ± 0.029 Benzo[ghi]perylene ............................. 3.937 ± 0.052 Benzo[ghi]fluoranthene ........................ 0.885 ± 0.015 Indeno[1,2,3-cd]pyrene ........................... 2.96 ± 0.17 Benzo[c]phenanthrene ......................... 0.449 ± 0.014 Anthanthrene ...................................... 0.509 ± 0.014 Benz[a]anthracene ............................... 2.092 ± 0.048 Dibenz[a,c]anthracene ........................ 0.212 ± 0.017 Chrysene ............................................. 3.008 ± 0.044 Dibenz[a,h]anthracene ........................ 0.290 ± 0.004 Triphenylene ........................................ 1.244 ± 0.052 Picene ................................................. 0.390 ± 0.028 Benzo[b]fluoranthene ............................... 5.99 ± 0.20 Dibenzo[b,k]fluoranthene .................... 0.655 ± 0.035 Benzo[j]fluoranthene ............................ 1.731 ± 0.083 Dibenzo[a,e]pyrene ............................. 0.538 ± 0.024 Benzo[k]fluoranthene ........................... 1.748 ± 0.083 Certified concentrations for selected PCB congeners Mass fraction (μg )PCB 49 ............. 2,2’4,5’-Tetrachlorobiphenyl .......................................... 8.92 ± 1.0 PCB 52 ............. 2,2’,5,5’-Tetrachlorobiphenyl ......................................... 23.7 ± 3.6 PCB 101 ........... 2,2’,4,5,5’-Pentachlorobiphenyl ..................................... 55.1 ± 5.1 PCB 105 ........... 2,3,3’,4,4’-Pentachlorobiphenyl ....................................... 9.7 ± 1.0 PCB 110 ........... 2,3,3’,4’,6-Pentachlorobiphenyl ..................................... 32.9 ± 3.0 PCB 149 ........... 2,2’,3,4’,5’,6-Hexachlorobiphenyl .................................. 77.5 ± 2.1 PCB 151 ........... 2,2’,3,5,5’,6-Hexachlorobiphenyl ................................... 32.6 ± 2.1 PCB 153 ........... 2,2’,4,4’,5,5’-Hexachlorobiphenyl .................................. 74.8 ± 1.0 PCB 163 ........... 2,3,3’,4’5,6-Hexachlorobiphenyl ................................ 21.69 ± 0.33 PCB 183 ........... 2,2’,3,4,4’,5’,6-Heptachlorobiphenyl .......................... 16.80 ± 0.85 PCB 187 ........... 2,2’,3,4’,5,5’,6-Heptachlorobiphenyl .............................. 38.5 ± 2.9 PCB 194 ........... 2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl............................. 27.8 ± 1.6 PCB 206 ........... 2,2’,3,3’,4,4’,5,5’,6-Nonachlorobiphenyl......................... 16.6 ± 1.2 ![]() |
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(SRM
) Mass fraction ( mg