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當(dāng)前位置:> 供求商機> 實驗室空氣環(huán)境凈化
實驗室空氣環(huán)境凈化常用的配氣方法與技術(shù)指標
配氣方法 | 濃度范圍 | 準許相對配氣偏差 | 不確定值 |
稱量法(摩爾法) | 10ppm-1% | ±5% | ±2% |
1-50% | ±3% | ±2% | |
分壓法(摩爾法) | 10ppm-1% | ±10% | ±2% |
2-50% | ±4% | ±2% |
化肥生產(chǎn)用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 |
校準儀器儀表: | 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%,CO230% | H2 |
機動車排放檢測用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 |
工況法檢測 | 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 | |
簡易工況法檢測 | CO 0.5%-8%,CO2 4%-12%,C3H8 200ppm-3200ppm, NO 300-3000ppm | N2 |
CO 2.5%,CO2 10%,C3H8 3200ppm | N2 | |
怠速、雙怠 | CO 1.5%-5%,C3H8 800ppm-3200ppm | N2 |
速排放檢測 | ||
儀器調(diào)零 | O2 19%-21% | N2 |
燃燒氣 | H2 38%-42% | He |
石油、化工用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 | ||||||||
高餾分重整 | 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及以上總和0.06 | ||||||
0.67 | 0.01 | 0.32 | 0.14 | |||||||
低餾分重整 | 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 | ||||||
石油煉制 | 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 |
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2 | 4 | 2 | 3 | 4 | 1 | 3 | 1 |
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石油勘探 | O2 | N2 | CO2 | C2H6 | C3H8 | n-C4H10 | i-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 |
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0.5 | 0.2 | 0.15 |
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CH4 | C2H6 | C3H8 | n-C4H10 | i-C4H10 | n-C5H12 | i-C5H12 |
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0~10% | 0~10% | 0~10% | 0~10% | 0~10% | 0.1% | 0.1% |
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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 |
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0.3 | 0.3 | 0.3 |
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聚乙烯單體分析 | H2 | CH4 | C2H6 | C3H8 | 環(huán)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 |
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1.0 | 1.0 | 1.0 | 0.5 | 0.5 | 0.5 |
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H2 | CH4 | C2H6 |
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| C3H8 | |
51% | 35% | 6% |
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聚丙烯單體分析 | CH4 | C2H6 | C2H4 | C3H8 | 環(huán)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 |
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100 | 100 | 50 | 130 | 130 | 130 |
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CH4 | C2H6 | C3H8 | 環(huán)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 | 丙烴 | 1,3丁二烯 |
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15 | 15 | 15 | 15 |
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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?fàn)t氣分析 | O2 | N2 | CH4 | C2H4 | C3H6 | C3H8 | CO | CO2 |
| H2 |
0.4 | 3 | 23 | 2 | 0.4 | 0.1 | 7 | 2 |
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電力行業(yè)用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍(ppm) | 平衡氣(液) | |||||||||
變壓器油中溶解氣體分析 | H2 | CO | CO2 | CH4 | C2H6 | C2H4 | C2H2 | O2 | C3H6 | C3H8 | |
80 | 1200 | 2200 | 25 | 5 | 18 | 5 | 13% |
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| N2 | |
300 | 500 | 1000 | 100 | 150 | 100 | 50 | 1.2 | 100 | 100 | N2 | |
1000 | 15000 | 50000 | 250 | 500 | 500 | 250 |
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500 | 500 | 10000 | 50 | 100 | 100 | 50 |
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地震監(jiān)測用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 |
地震監(jiān)測 | He 0.1%, Ar 1.0%, H2 0.1%, CO2 25%, CH4 1.0% | N2 |
He 1%, Ar 1.5%, H2 0.5%, CO 2.5% | N2 | |
CO 5%, CO2 15%, CH4 5%, He 0.1%, H2 0.1%, Ar 0.1% | N2 |
醫(yī)療衛(wèi)生用標準氣體(部分特例)
| 組分名稱及常用濃度范圍 | 平衡氣 |
血液測定 | CO2 5-10% | N2 |
CO2 5% O2 10-20% | N2 | |
He 9-13% | N2 | |
N2 6-8% | O2 | |
血液循環(huán)測定 | CO2 5-10% | Air |
肺功能測定 | CO 0.2% He 10% | Air |
CO 100-900ppm O2 20% | N2 | |
CO 0.2-0.3% He 10% O2 20% | N2 | |
CO 0.2% N2O 15% O2 20% | N2 |
環(huán)保部門用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 |
大氣環(huán)境監(jiān)測 | SO2 1ppm---5000ppm | N2 |
ppm---5000ppm | N2 | |
NO2 5ppm---300ppm | N2 | |
H2S 1ppm---5000ppm | N2 | |
CO2 1ppm---5000ppm | N2 | |
CO 1ppm---5000ppm | N2 | |
室內(nèi)環(huán)境檢測 | 甲醛 1ppm---500ppm | N2(或Air) |
苯系列(苯、甲苯、二甲苯、苯乙烯等)1ppm-500ppm | N2(或Air) | |
氨氣 1ppm---500pm | N2(或Air) |
可燃氣體報警器用標準氣體(部分特例)
用途 | 組分名稱及常用濃度范圍 | 平衡氣 |
煤礦用 | CH4 0.5% - 3.0% | Air |
CH4 1% CO 500ppm CO2 1% O2 21% | N2 | |
石化部門用 | C3H8 0.5% - 1.26% | Air |
C2H2 0.5% - 1.8% | Air | |
i-C4H10 0.18% - 1.08% | Air | |
H2 0.5% - 2.4% | Air | |
CO 0.5% - 7.5% | Air |
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