DE2448001A1 - Einrichtung zum ueberwachen der umwelt - Google Patents
Einrichtung zum ueberwachen der umweltInfo
- Publication number
- DE2448001A1 DE2448001A1 DE19742448001 DE2448001A DE2448001A1 DE 2448001 A1 DE2448001 A1 DE 2448001A1 DE 19742448001 DE19742448001 DE 19742448001 DE 2448001 A DE2448001 A DE 2448001A DE 2448001 A1 DE2448001 A1 DE 2448001A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- reagent
- impurities
- measured
- stack
- 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.)
- Ceased
Links
- 238000012544 monitoring process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims description 41
- 239000003153 chemical reaction reagent Substances 0.000 claims description 37
- 238000005259 measurement Methods 0.000 claims description 26
- 239000012535 impurity Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000000356 contaminant Substances 0.000 claims description 12
- 239000007795 chemical reaction product Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000000969 carrier Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 44
- 229910052717 sulfur Inorganic materials 0.000 description 36
- 239000011593 sulfur Substances 0.000 description 35
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 34
- 238000012360 testing method Methods 0.000 description 32
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 23
- 239000000460 chlorine Substances 0.000 description 23
- 229910052801 chlorine Inorganic materials 0.000 description 23
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 22
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 19
- 238000004458 analytical method Methods 0.000 description 17
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 13
- 239000003570 air Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 11
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 10
- 231100000719 pollutant Toxicity 0.000 description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 5
- 229910001961 silver nitrate Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229940046892 lead acetate Drugs 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 2
- 229960000907 methylthioninium chloride Drugs 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 101150021395 JUND gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- AWYTYVMPLIKVAK-UHFFFAOYSA-N S.[N+](=O)([O-])[O-].[Ag+] Chemical compound S.[N+](=O)([O-])[O-].[Ag+] AWYTYVMPLIKVAK-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- RYXHOMYVWAEKHL-UHFFFAOYSA-N astatine atom Chemical compound [At] RYXHOMYVWAEKHL-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- PLLZRTNVEXYBNA-UHFFFAOYSA-L cadmium hydroxide Chemical compound [OH-].[OH-].[Cd+2] PLLZRTNVEXYBNA-UHFFFAOYSA-L 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005048 flame photometry Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002730 mercury Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052699 polonium Inorganic materials 0.000 description 1
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000013214 routine measurement Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- DTPQZKZONQKKSU-UHFFFAOYSA-N silver azanide silver Chemical compound [NH2-].[Ag].[Ag].[Ag+] DTPQZKZONQKKSU-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0013—Sample conditioning by a chemical reaction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/18—Sulfur containing
- Y10T436/182—Organic or sulfhydryl containing [e.g., mercaptan, hydrogen, sulfide, etc.]
- Y10T436/184—Only hydrogen sulfide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/21—Hydrocarbon
- Y10T436/218—Total hydrocarbon, flammability, combustibility [e.g., air-fuel mixture, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00418321A US3847552A (en) | 1973-11-23 | 1973-11-23 | Environmental monitoring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2448001A1 true DE2448001A1 (de) | 1975-05-28 |
Family
ID=23657630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742448001 Ceased DE2448001A1 (de) | 1973-11-23 | 1974-10-09 | Einrichtung zum ueberwachen der umwelt |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3847552A (enExample) |
| JP (1) | JPS543392B2 (enExample) |
| DE (1) | DE2448001A1 (enExample) |
| FR (1) | FR2252571B1 (enExample) |
| GB (1) | GB1453201A (enExample) |
| IT (1) | IT1022109B (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002160A1 (en) * | 1984-09-26 | 1986-04-10 | Jan Peter Andersson | Device and method for trapping and analyzing particles |
| DE4125555A1 (de) * | 1991-08-02 | 1993-02-04 | Rene Dr Cousin | Probenahmeverfahren zur ueberwachung von adsorbierbaren abgasemissionen ueber grosse zeitraeume |
| DE4325664A1 (de) * | 1993-07-30 | 1995-02-02 | Fraunhofer Ges Forschung | Staubsammelvorrichtung |
| US5571477A (en) * | 1992-09-02 | 1996-11-05 | Norsk Hydro A.S. | Equipment for sampling and work-up for analysis of PAH and other organic compounds, and hydrogen fluoride and sulphur oxides |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046512A (en) * | 1976-02-20 | 1977-09-06 | Westinghouse Electric Corporation | Device for indicating overheating in generators |
| US4127386A (en) * | 1977-01-26 | 1978-11-28 | Meloy Laboratories, Inc. | Process and system for measuring sulfur dioxide pollution |
| US4256694A (en) * | 1978-06-05 | 1981-03-17 | Minnesota Mining And Manufacturing Company | Carbon monoxide monitoring system |
| US4235097A (en) * | 1979-03-27 | 1980-11-25 | E. I. Du Pont De Nemours And Company | Dosimeter for measuring gaseous contaminants |
| US4472507A (en) * | 1981-06-04 | 1984-09-18 | Pluim Jr Arthur W | Method for detecting exposure to poison ivy and the like |
| US4478792A (en) * | 1983-09-16 | 1984-10-23 | Mine Safety Appliances Company | Colorimetric gas dosimeter |
| US4767602A (en) * | 1984-03-23 | 1988-08-30 | The Research Foundation Of State University Of New York | Apparatus for redepositing particulate matter |
| US4772560A (en) * | 1985-11-18 | 1988-09-20 | Attar Amir J | Laminated wafer for sensing and monitoring exposure to gases |
| DE3712924C1 (de) * | 1987-04-16 | 1988-05-19 | Draegerwerk Ag | Plakettenfoermiges Dosimeter mit gewoelbtem Substrattraeger |
| DE8707573U1 (de) * | 1987-05-26 | 1987-07-30 | Drägerwerk AG, 2400 Lübeck | Vorrichtung zur Halterung eines passiven oder aktiven Probennehmers |
| JPS6430626A (en) * | 1987-07-28 | 1989-02-01 | Ebara Res Co Ltd | Treatment of exhaust gas |
| IT1229210B (it) * | 1988-03-31 | 1991-07-25 | Central Glass Co Ltd | Metodo e dispositivo per analizzare gas contenenti fluoro. |
| US5120511A (en) * | 1990-10-05 | 1992-06-09 | Westvaco Corporation | Adsorber bed life monitor |
| GB9301377D0 (en) * | 1993-01-25 | 1993-03-17 | Winton Eurotech Limited | Method and apparatus for monitoring air quality |
| US5372785A (en) * | 1993-09-01 | 1994-12-13 | International Business Machines Corporation | Solid-state multi-stage gas detector |
| US5749358A (en) * | 1996-10-10 | 1998-05-12 | Nellcor Puritan Bennett Incorporated | Resuscitator bag exhaust port with CO2 indicator |
| AU2001271648A1 (en) * | 2000-06-28 | 2002-01-08 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Device and method for pneumatic gas sampling for gas sensors |
| US7350536B2 (en) * | 2005-10-14 | 2008-04-01 | Evans Components, Inc. | Vacuumized receptacle for sample collection |
| DE102006018347A1 (de) * | 2006-04-19 | 2007-10-25 | Schwechten, Dieter, Dr. | Vorrichtung für die Sammlung pyrogener Stäube |
| FR2930340B1 (fr) * | 2008-04-22 | 2013-03-22 | Total Sa | Procede d'echantillonage de sulfure d'hydrogene. |
| US9417227B2 (en) | 2013-12-20 | 2016-08-16 | United States Gypsum Company | Methods for detecting sulfur |
| CN103852563B (zh) * | 2014-03-14 | 2016-08-24 | 北京超感时空科技有限公司 | 一种室内环境监测设备 |
| CN105092318A (zh) * | 2015-08-14 | 2015-11-25 | 中国石油化工股份有限公司 | 一种沥青罐顶气中苯并(a)芘的采样方法 |
| US10539542B2 (en) * | 2017-07-26 | 2020-01-21 | Honeywell International Inc. | Pressure transient normalization within a gas detector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1414194A (en) * | 1922-04-25 | Robert henry davis | ||
| US2487077A (en) * | 1943-12-28 | 1949-11-08 | Us Commerce | Colorimetric gas detection |
| US3545930A (en) * | 1967-12-07 | 1970-12-08 | Phillips Petroleum Co | Colorimetric oxygen detection |
| US3698871A (en) * | 1970-04-16 | 1972-10-17 | George Andrew Brennan | Air pollution detectors |
-
1973
- 1973-11-23 US US00418321A patent/US3847552A/en not_active Expired - Lifetime
-
1974
- 1974-09-16 FR FR7432945A patent/FR2252571B1/fr not_active Expired
- 1974-09-18 GB GB4062574A patent/GB1453201A/en not_active Expired
- 1974-09-19 IT IT27465/74A patent/IT1022109B/it active
- 1974-10-09 DE DE19742448001 patent/DE2448001A1/de not_active Ceased
- 1974-10-16 JP JP11831774A patent/JPS543392B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002160A1 (en) * | 1984-09-26 | 1986-04-10 | Jan Peter Andersson | Device and method for trapping and analyzing particles |
| DE4125555A1 (de) * | 1991-08-02 | 1993-02-04 | Rene Dr Cousin | Probenahmeverfahren zur ueberwachung von adsorbierbaren abgasemissionen ueber grosse zeitraeume |
| US5571477A (en) * | 1992-09-02 | 1996-11-05 | Norsk Hydro A.S. | Equipment for sampling and work-up for analysis of PAH and other organic compounds, and hydrogen fluoride and sulphur oxides |
| DE4325664A1 (de) * | 1993-07-30 | 1995-02-02 | Fraunhofer Ges Forschung | Staubsammelvorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2252571B1 (enExample) | 1976-12-31 |
| GB1453201A (en) | 1976-10-20 |
| JPS543392B2 (enExample) | 1979-02-22 |
| FR2252571A1 (enExample) | 1975-06-20 |
| US3847552A (en) | 1974-11-12 |
| IT1022109B (it) | 1978-03-20 |
| JPS5087091A (enExample) | 1975-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8131 | Rejection |