JPH0113698B2 - - Google Patents
Info
- Publication number
- JPH0113698B2 JPH0113698B2 JP7799086A JP7799086A JPH0113698B2 JP H0113698 B2 JPH0113698 B2 JP H0113698B2 JP 7799086 A JP7799086 A JP 7799086A JP 7799086 A JP7799086 A JP 7799086A JP H0113698 B2 JPH0113698 B2 JP H0113698B2
- Authority
- JP
- Japan
- Prior art keywords
- formaldehyde
- gas
- concentration
- plastic tube
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 169
- 239000007789 gas Substances 0.000 claims description 41
- 239000004033 plastic Substances 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 15
- 239000012159 carrier gas Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 5
- 239000012071 phase Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- -1 polyfluoroethylene Polymers 0.000 description 5
- 239000008098 formaldehyde solution Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- HORQAOAYAYGIBM-UHFFFAOYSA-N 2,4-dinitrophenylhydrazine Chemical compound NNC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O HORQAOAYAYGIBM-UHFFFAOYSA-N 0.000 description 1
- HIZCTWCPHWUPFU-UHFFFAOYSA-N Glycerol tribenzoate Chemical compound C=1C=CC=CC=1C(=O)OCC(OC(=O)C=1C=CC=CC=1)COC(=O)C1=CC=CC=C1 HIZCTWCPHWUPFU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799086A JPS62238229A (ja) | 1986-04-04 | 1986-04-04 | ホルムアルデヒドガスの発生方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7799086A JPS62238229A (ja) | 1986-04-04 | 1986-04-04 | ホルムアルデヒドガスの発生方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62238229A JPS62238229A (ja) | 1987-10-19 |
| JPH0113698B2 true JPH0113698B2 (OSRAM) | 1989-03-07 |
Family
ID=13649267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7799086A Granted JPS62238229A (ja) | 1986-04-04 | 1986-04-04 | ホルムアルデヒドガスの発生方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62238229A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5334272B2 (ja) * | 2011-08-12 | 2013-11-06 | 日立化成株式会社 | 揮発性有機化合物のガス定量発生装置 |
| CN104865354A (zh) * | 2015-06-09 | 2015-08-26 | 陕西省计量科学研究院 | 甲醛气体检测仪检定装置、系统及方法 |
-
1986
- 1986-04-04 JP JP7799086A patent/JPS62238229A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62238229A (ja) | 1987-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Worsnop et al. | The temperature dependence of mass accommodation of sulfur dioxide and hydrogen peroxide on aqueous surfaces | |
| Barratt | The preparation of standard gas mixtures. A review | |
| US5149659A (en) | Method and apparatus for analyzing fluorine containing gases | |
| US5820823A (en) | Method and apparatus for the measurement of dissolved carbon | |
| US4474051A (en) | Method for measuring the concentration of a combustible component | |
| JPH02145961A (ja) | トリハロメタンの定量方法および分析装置 | |
| England et al. | The rate and mechanism of the air oxidation of parts-per-million concentrations of nitric oxide in the presence of water vapor | |
| Hanson et al. | The uptake of N2O5 onto small sulfuric acid particles | |
| US3567387A (en) | Carbon dioxide monitor | |
| Caprio et al. | A new attempt for the evaluation of the absorption constant of ozone in water | |
| Nunge et al. | Gas‐liquid kinetics: The absorption of carbon dioxide in diethanolamine | |
| USRE28864E (en) | Process and apparatus for automated regulation of sulphur production units | |
| TSE et al. | Diffusion coefficients for oxygen and carbon dioxide in water at 25 C by unsteady state desorption from a quiescent liquid | |
| JPS6196446A (ja) | 液状反応媒体中の過酸化水素濃度を測定および監視する方法および装置 | |
| Comite et al. | Rate of CO2 transfer to loaded MEA solutions using a membrane contactor device | |
| Schumb | The dissociation pressures of certain salt hydrates by the gas-current saturation method | |
| US4351743A (en) | Dilute standard gases prepared by utilizing buffered solution, method for preparation thereof and apparatus therefor | |
| JPS62238229A (ja) | ホルムアルデヒドガスの発生方法 | |
| US3579297A (en) | Process of manufacturing ammonium salts | |
| Crider | The use of diffusion coefficients in the measurement of vapor pressure | |
| US4224279A (en) | Reactive gas generator | |
| Paulik et al. | Simultaneous thermogravimetric and thermo-gastitrimetric investigations under quasi-isothermal and quasi-isobaric conditions | |
| Friedl et al. | A kinetics study of the homogeneous and heterogeneous components of the HCl+ ClONO2 reaction | |
| CN108554207A (zh) | 一种低浓度标准气体持续发生装置及其发生方法 | |
| Christensen et al. | Enthalpies of solution of carbon dioxide in aqueous diglycolamine solutions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |