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标准气体注意事项有哪些？ http://www.app17.com/c55264/products/d1186166.html
标准气体
标准气体常用的配气方法与技术指标
配气方法 | 浓度范围 | 准许相对配气偏差 | 不确定值 |
称量法（摩尔法） | 10ppm-1% | ±5% | ±2% |
1-50% | ±3% | ±2% | |
分压法（摩尔法） | 10ppm-1% | ±10% | ±2% |
2-50% | ±4% | ±2% |
化肥生产用标准气体（部分特例）
用途 | 组分名称及常用浓度范围 | 平衡气 |
校准仪器仪表： | CO 1ppm－－-50% | N2 |
H2 5%－－-80% | N2 | |
SO2 0－－20% | N2 | |
H2S 0－－20% | N2 | |
NH3 0－－30% | N2 | |
CO2 1ppm－－-50% | N2 | |
O2 1%－－-50% | N2 | |
CH4 1%－－-50% | N2 | |
CO 10ppm，CO2 10ppm，CH4 10ppm | H2 | |
H2 50ppm，O2 0.8%，CO 1%，CH4 1% | CO2 | |
O2 1%，N2 21%，CO 11%，CO2 8%，CH4 0.3% | H2 | |
CH3OH 300ppm，CO 0.4%，CH4 0.4%，N2 0.2%，Ar 0.2%，CO2 30% | H2 |
机动车排放检测用标准气体（部分特例）
用途 | 组分名称及常用浓度范围 | 平衡气 |
工况法检测 | NO 5-5000ppm | N2 |
CO 1-10000ppm | N2 | |
C3H8 1-10000ppm | N2 | |
CO2 1-10000ppm | N2 | |
CH4 1-10000ppm | N2 | |
C2H6 1-10000ppm | N2 | |
正己烷 1-10000ppm | N2 | |
简易工况法检测 | CO 0.5%-8%，CO2 4%-12%，C3H8 200ppm-3200ppm， NO 300-3000ppm | N2 |
CO 2.5%，CO2 10%，C3H8 3200ppm | N2 | |
怠速、双怠 | CO 1.5%-5%，C3H8 800ppm-3200ppm | N2 |
速排放检测 | ||
仪器调零 | O2 19%-21% | N2 |
燃烧气 | H2 38%-42% | He |
石油、化工用标准气体（部分特例）
i-C4H10
用途 | 组分名称及常用浓度范围 | 平衡气 | ||||||||
高馏分重整 | H2 | O2 | N2 | CO2 | CH4 | C2H6 | C3H8 | C3H6 | i-C4H10 | H2 |
90 | 0.09 | 0.47 | 0.26 | 0.27 | 3.34 | 2.29 | 0.01 | 0.74 | ||
n-C4H10 | i-C4H8 | i-C5H12 | n-C5H12 | C5H10及以上总和0.06 | ||||||
0.67 | 0.01 | 0.32 | 0.14 | |||||||
低馏分重整 | H2 | O2 | N2 | CO2 | CH4 | C2H6 | C3H8 | C3H6 | i-C4H10 | H2 |
9.5 | 4.3 | 15.2 | 0.7 | 0.7 | 9 | 26.3 | 0.13 | 19.34 | ||
n-C4H10 | i-C4H8 | n-C4H8 | t-C4H8 | c-C4H8 | C5H10及以上3.42 | |||||
9 | 0.3 | 0.06 | 0.04 | 2.26 | ||||||
石油炼制 | O2 | CO | CO2 | CH4 | C2H6 | C2H4 | C3H8 | C3H6 | n-C4H10 | N2 |
2 | 0.5 | 0.5 | 6 | 3 | 3 | 3 | 10 | 2 | ||
i-C4H10 | n-C4H8 | i-C4H8 | c-C4H8 | t-C4H8 | i-C5H12 | n-C5H12 | n-C6H14 | |||
2 | 4 | 2 | 3 | 4 | 1 | 3 | 1 | |||
石油勘探 | O2 | N2 | CO2 | C2H6 | C3H8 | n-C4H10 | n-C5H12 | i-C5H12 | CH4 | |
0.5 | 1.9 | 2.8 | 9.8 | 5.4 | 3 | 3.3 | 2.5 | 2.5 | ||
n-C6H14 | n-C7H16 | n-C8H18 | ||||||||
0.5 | 0.2 | 0.15 | ||||||||
CH4 | C2H6 | C3H8 | n-C4H10 | i-C4H10 | n-C5H12 | i-C5H12 | N2 | |||
0~10% | 0~10% | 0~10% | 0~10% | 0~10% | 0.1% | 0.1% | ||||
H2 | O2 | N2 | Ar | CO2 | C2H6 | C3H8 | n-C4H10 | i-C4H10 | CH4 | |
3.8 | 0.5 | 1.5 | 0.3 | 0.5 | 2 | 1.5 | 0.5 | 0.5 | ||
n-C5H12 | i-C5H12 | n-C6H14 | ||||||||
0.3 | 0.3 | 0.3 | ||||||||
聚乙烯单体分析 | H2 | CH4 | C2H6 | C3H8 | 环丙烷 | C3H6 | n-C4H10 | i-C4H10 | n-C4H8 | C2H4 |
15.0 | 20.0 | 10.0 | 20.0 | 0.5 | 11.5 | 0.5 | 0.5 | 1.0 | ||
i-C4H8 | c-C4H8 | t-C4H8 | C2H2 | n-C5H12 | i-C5H12 | |||||
1.0 | 1.0 | 1.0 | 0.5 | 0.5 | 0.5 | |||||
H2 | CH4 | C2H6 | C3H8 | |||||||
51% | 35% | 6% | ||||||||
聚丙烯单体分析 | CH4 | C2H6 | C2H4 | C3H8 | 环丙烷 | n-C4H10 | i-C4H10 | n-C4H8 | i-C4H8 | C3H6 |
100 | 150 | 130 | 1.40% | 400 | 100 | 100 | 100 | 100 | ||
c-C4H8 | t-C4H8 | 丙炔 | i-C5H12 | 1,3丁二烯 | n-C6H14 | |||||
100 | 100 | 50 | 130 | 130 | 130 | |||||
CH4 | C2H6 | C3H8 | 环丙烷 | C3H6 | n-C4H10 | i-C4H10 | n-C4H8 | i-C4H8 | N2 | |
100 | 35 | 200 | 15 | 10% | 15 | 15 | 15 | 15 | ||
丙二烯 | C2H2 | 丙烃 | 1,3丁二烯 | |||||||
15 | 15 | 15 | 15 | |||||||
聚丙烯腈流程分析 | 乙腈 | N2 | 丙烯腈 | N2 | 二甲基甲酰胺 | N2 | N2 | |||
0~~2000ppm | 0~~2000ppm | 0~~5000ppm | ||||||||
焦炉气分析 | O2 | N2 | CH4 | C2H4 | C3H6 | C3H8 | CO | CO2 | H2 | |
0.4 | 3 | 23 | 2 | 0.4 | 0.1 | 7 | 2 | |||
电力行业用标准气体（部分特例）
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