濃度単位変換 |
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env_co2/Env_CO2_xchg01.htm |
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μg/m3 |
μ |
=
ppm * M/22.4 * 273/(273 + T) * P0/1013 *
1000 = (ppm * M*273* P0* 1000) /
( 22.4*(273 + T)*1013) |
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=p*M*P0*T0*1000/(22.4*(T0+T)*P0) |
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at 20℃ , 1気圧 μ = p*M*P*Kμ |
Kμ = |
41.596 |
= 1/ Kp |
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ppm |
p |
= μ * 22.4/M * (T0 + T)/273 * P0/P *
1/1000=( μg/m3 *22.4*(T0 + T)*P0) / (M*273* P0* 1000) |
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=μ*(22.4*(T0+T)*P0)/(M*P*T0*1000) |
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at 20℃ , 1気圧 p = μ/M*Kp |
Kp = |
0.024 |
= 1/ Kμ |
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M0 |
分子量:基準 |
M0 = |
22.4 |
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M |
分子量 |
M 分子量 M0=22.4 ・・・・ 0℃ 1気圧での分子 1mol の容積 |
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=μ*(M0*(T0+T)*P0)/(p*P*T0*1000) |
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at 20℃ M = μ/p*Km |
Km = |
0.024 |
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T0 |
基準温度(℃) |
絶対温度(K)=0 |
273 |
度℃ |
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T |
測定温度(℃) |
常温 |
20 |
度℃ |
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P0 |
基準気圧(hPa) |
1気圧 = |
1013 |
hPa |
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P |
測定気圧(hPa) |
通常気圧 = |
1013 |
hPa |
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室内空気中化学物質の室内濃度指数値 |
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室内濃度指数値 |
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http://molcal-web.hp.infoseek.co.jp/molcaltop.shtml |
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μ |
p |
M |
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元素 |
C |
H |
CL |
O |
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室内空気中化学物質 |
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化学式 |
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μg/m3 |
ppm |
分子量 |
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原子量 |
12 |
1.01 |
35.45 |
16.00
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TVOC 暫定目標値 |
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400 |
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ホルムアルデヒド |
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100 |
0.08 |
30 |
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エタノール |
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CH3CH2OH |
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46 |
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24 |
6 |
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16
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トルエン |
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260 |
0.07 |
92 |
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ベンゼン |
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C6H6 |
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78 |
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72 |
6 |
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ジクロロベンゼン |
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C6H4Cl2 |
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240 |
0.04 |
147 |
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72 |
4 |
71 |
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クロロベンゼン |
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C6H5Cl |
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3 |
0.0006 |
112 |
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72 |
5 |
35 |
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別名: 塩化フェニル、モノクロロベンゼン、ベンゼンクロリド、フェニルクロリド |
キシレン |
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C8H10 |
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870 |
0.2 |
106 |
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96 |
10
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0 |
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エチルベンゼン |
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3800 |
0.88 |
104 |
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スチレン |
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220 |
0.05 |
106 |
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クロルピリホス |
成人 |
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1 |
0.00007 |
343 |
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小児 |
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0.1 |
0.000007 |
343 |
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アセトアルデヒド |
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48 |
0.03 |
38 |
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フェノブカルプ |
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33 |
0.0038 |
209 |
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ダイアジノン |
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0.29 |
0.00002 |
349 |
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フェタル酸ジー2-エチルヘキシル |
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120 |
0.0076 |
380 |
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テトラデカン |
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330 |
0.041 |
194 |
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