DD299982A5 - Verfahren und Vorrichtung zur Messung der nichtporösen Oberfläche eines porösen Rußes - Google Patents
Verfahren und Vorrichtung zur Messung der nichtporösen Oberfläche eines porösen Rußes Download PDFInfo
- Publication number
- DD299982A5 DD299982A5 DD338352A DD33835290A DD299982A5 DD 299982 A5 DD299982 A5 DD 299982A5 DD 338352 A DD338352 A DD 338352A DD 33835290 A DD33835290 A DD 33835290A DD 299982 A5 DD299982 A5 DD 299982A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- ctab
- filtrate
- cetyltrimethylammonium bromide
- carbon black
- filter
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000006229 carbon black Substances 0.000 title claims description 40
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 84
- 239000000706 filtrate Substances 0.000 claims abstract description 33
- 239000006185 dispersion Substances 0.000 claims abstract description 27
- 238000004128 high performance liquid chromatography Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims description 28
- 239000004071 soot Substances 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012088 reference solution Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- 238000001507 sample dispersion Methods 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 19
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000004441 surface measurement Methods 0.000 abstract 1
- 235000019241 carbon black Nutrition 0.000 description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 16
- 229910052740 iodine Inorganic materials 0.000 description 16
- 239000011630 iodine Substances 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- 239000004809 Teflon Substances 0.000 description 7
- 229920006362 Teflon® Polymers 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012799 strong cation exchange Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 244000126010 Pithecellobium dulce Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- LXMSZDCAJNLERA-ZHYRCANASA-N spironolactone Chemical compound C([C@@H]1[C@]2(C)CC[C@@H]3[C@@]4(C)CCC(=O)C=C4C[C@H]([C@@H]13)SC(=O)C)C[C@@]21CCC(=O)O1 LXMSZDCAJNLERA-ZHYRCANASA-N 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/36—Control of physical parameters of the fluid carrier in high pressure liquid systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N30/74—Optical detectors
-
- 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
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
-
- 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
- Y10T436/23—Carbon containing
Landscapes
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Peptides Or Proteins (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35392889A | 1989-05-19 | 1989-05-19 | |
| US07/423,693 US4970169A (en) | 1989-05-19 | 1989-10-12 | Method for measuring non-porous surface area of carbon black |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD299982A5 true DD299982A5 (de) | 1992-05-14 |
Family
ID=26998155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD338352A DD299982A5 (de) | 1989-05-19 | 1990-03-02 | Verfahren und Vorrichtung zur Messung der nichtporösen Oberfläche eines porösen Rußes |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4970169A (es) |
| JP (1) | JPH0321848A (es) |
| KR (1) | KR940002497B1 (es) |
| CN (1) | CN1047388A (es) |
| AU (1) | AU5117190A (es) |
| BR (1) | BR9000997A (es) |
| CA (1) | CA2009703A1 (es) |
| DD (1) | DD299982A5 (es) |
| DE (1) | DE4005085A1 (es) |
| DK (1) | DK33390A (es) |
| ES (1) | ES2019531A6 (es) |
| FR (1) | FR2647216B1 (es) |
| GB (2) | GB9003397D0 (es) |
| HU (1) | HUT55541A (es) |
| IL (1) | IL93332A0 (es) |
| IT (1) | IT1240313B (es) |
| LU (1) | LU87685A1 (es) |
| MY (1) | MY105234A (es) |
| NL (1) | NL9000332A (es) |
| NZ (1) | NZ232447A (es) |
| PE (1) | PE14191A1 (es) |
| PT (1) | PT93120A (es) |
| SE (1) | SE9001175L (es) |
| YU (1) | YU33390A (es) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161407A (en) * | 1990-10-16 | 1992-11-10 | Iowa State University Research Foundation, Inc. | Means and method of soil water desorption |
| US5431821A (en) * | 1992-02-07 | 1995-07-11 | The Ohio State University | Glassy carbon in separation processes |
| JP2000070395A (ja) * | 1998-04-16 | 2000-03-07 | Shigeru Ando | 類焼防止シ―ト、類焼防止カバ―、消火シ―ト兼防災用被服 |
| CN201687022U (zh) | 2009-10-20 | 2010-12-29 | 株式会社小松制作所 | 铲斗及作业车辆 |
| US8733152B2 (en) * | 2010-01-19 | 2014-05-27 | Bio-Rad Laboratories, Inc. | Automated analyzer with low-pressure in-line filtration |
| CN109269449B (zh) * | 2018-10-12 | 2020-07-31 | 重庆大学 | 堆石料比表面积测试方法 |
-
1989
- 1989-10-12 US US07/423,693 patent/US4970169A/en not_active Expired - Fee Related
-
1990
- 1990-02-08 DK DK033390A patent/DK33390A/da not_active Application Discontinuation
- 1990-02-09 NZ NZ232447A patent/NZ232447A/xx unknown
- 1990-02-09 MY MYPI90000214A patent/MY105234A/en unknown
- 1990-02-09 CA CA002009703A patent/CA2009703A1/en not_active Abandoned
- 1990-02-09 IL IL93332A patent/IL93332A0/xx unknown
- 1990-02-09 HU HU90751A patent/HUT55541A/hu unknown
- 1990-02-12 PT PT93120A patent/PT93120A/pt not_active Application Discontinuation
- 1990-02-12 NL NL9000332A patent/NL9000332A/nl not_active Application Discontinuation
- 1990-02-13 FR FR9001695A patent/FR2647216B1/fr not_active Expired - Fee Related
- 1990-02-14 GB GB909003397A patent/GB9003397D0/en active Pending
- 1990-02-17 DE DE4005085A patent/DE4005085A1/de not_active Withdrawn
- 1990-02-19 IT IT19406A patent/IT1240313B/it active IP Right Grant
- 1990-02-20 YU YU33390A patent/YU33390A/sh unknown
- 1990-02-20 ES ES9000496A patent/ES2019531A6/es not_active Expired - Fee Related
- 1990-02-23 PE PE1990165658A patent/PE14191A1/es not_active Application Discontinuation
- 1990-02-23 LU LU87685A patent/LU87685A1/fr unknown
- 1990-02-27 GB GB9004362A patent/GB2231966B/en not_active Expired - Fee Related
- 1990-02-27 JP JP2044700A patent/JPH0321848A/ja active Pending
- 1990-03-02 BR BR909000997A patent/BR9000997A/pt not_active Application Discontinuation
- 1990-03-02 DD DD338352A patent/DD299982A5/de unknown
- 1990-03-09 AU AU51171/90A patent/AU5117190A/en not_active Abandoned
- 1990-03-10 CN CN90101245A patent/CN1047388A/zh active Pending
- 1990-03-30 SE SE9001175A patent/SE9001175L/xx not_active Application Discontinuation
- 1990-03-31 KR KR1019900004393A patent/KR940002497B1/ko active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| ES2019531A6 (es) | 1991-06-16 |
| GB9003397D0 (en) | 1990-04-11 |
| GB9004362D0 (en) | 1990-04-25 |
| IT9019406A1 (it) | 1991-08-19 |
| CA2009703A1 (en) | 1990-11-19 |
| CN1047388A (zh) | 1990-11-28 |
| SE9001175L (sv) | 1990-11-20 |
| HU900751D0 (en) | 1990-04-28 |
| IL93332A0 (en) | 1990-11-29 |
| IT1240313B (it) | 1993-12-07 |
| KR900018669A (ko) | 1990-12-22 |
| AU5117190A (en) | 1990-11-22 |
| JPH0321848A (ja) | 1991-01-30 |
| KR940002497B1 (ko) | 1994-03-25 |
| DK33390A (da) | 1990-11-20 |
| PE14191A1 (es) | 1991-04-17 |
| HUT55541A (en) | 1991-05-28 |
| GB2231966A (en) | 1990-11-28 |
| SE9001175D0 (sv) | 1990-03-30 |
| GB2231966B (en) | 1992-10-14 |
| US4970169A (en) | 1990-11-13 |
| NL9000332A (nl) | 1990-12-17 |
| YU33390A (sh) | 1992-07-20 |
| LU87685A1 (fr) | 1990-07-24 |
| BR9000997A (pt) | 1991-02-19 |
| DE4005085A1 (de) | 1990-11-22 |
| MY105234A (en) | 1994-08-30 |
| PT93120A (pt) | 1991-01-08 |
| FR2647216A1 (fr) | 1990-11-23 |
| IT9019406A0 (it) | 1990-02-19 |
| FR2647216B1 (fr) | 1993-07-02 |
| NZ232447A (en) | 1991-02-26 |
| DK33390D0 (da) | 1990-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2740952C2 (de) | Vorrichtung zum automatischen Analysieren von Proben | |
| DE69124556T2 (de) | Verfahren und Vorrichtung zur Einführung mindestens eines Flüssigkeitsvolumens in eine Röhre, insbesondere für kapillare Elektrophoresesysteme und Verfahren und Vorrichtung zur Trennung und/oder Analyse eines fluiden Materials | |
| DE4032817C2 (de) | Flüssigchromatographie-Verfahren und -Gerät | |
| DE2620756C3 (de) | Probeninjektionsvorrichtung für die Prozeß-Gaschromatographie mit Kapillarsäulen und Betriebsverfahren für eine solche Vorrichtung | |
| DE3738467C2 (es) | ||
| DE2211032C3 (de) | Verfahren und Vorrichtung zur Bestimmung der Partialdrucke oder Konzentrationen von in einer Flüssigkeit, insbesondere Im Blut, gelösten Gasen | |
| DE112015001848T5 (de) | Betrieb eines Online-Gaschromatografen mit reduzierter Verwendung von Kalibriergas | |
| DE3885021T2 (de) | Automatische Messmethode für Glycohämoglobin. | |
| DE2042927C3 (de) | Verfahren und Vorrichtung zur Prüfung von ungereinigtem Rohwasser bei der Aufbereitung | |
| DE2948912C2 (de) | Verfahren zum Analysieren azidischer Substanzen durch Hochgeschwindigkeits-Flüssigkeitschromatographie | |
| DD299982A5 (de) | Verfahren und Vorrichtung zur Messung der nichtporösen Oberfläche eines porösen Rußes | |
| DE60213941T2 (de) | Proben-Einführungssystem | |
| DE2230349C3 (es) | ||
| EP0168551B1 (de) | Verfahren und Vorrichtung zur Messung geringer Aktivitätswerte von Ionen eines Probenstroms in einem Analysenautomaten | |
| DE3908040C2 (es) | ||
| EP1285266B1 (de) | Verfahren zur Messung des SO2-Gehalts in Wein | |
| DE2647308C3 (de) | Verfahren und Vorrichtung zur Bestimmung der Konzentration einer Analysensubstanz | |
| DE3820196C2 (es) | ||
| EP0820804A1 (de) | Verfahren und Vorrichtung zur Probenvorbereitung | |
| DE2557060C3 (de) | Verfahren und Vorrichtung zur Bestimmung von in Lösung befindlichen Ionen | |
| EP0869363B1 (de) | Anordnung zur Freisetzung von Reagenzien | |
| DE3221063A1 (de) | Verfahren und vorrichtung zur automatischen, analytischen pruefung von fluessigkeiten, insbesondere von wasser | |
| DE3303337C2 (de) | Vorrichtung zur Untersuchung einer in einem Reaktor ablaufenden chemischen Reaktion | |
| DE3125864A1 (de) | Vorrichtung zur messung der oberflaechenspannung nach dem stalagmometerprinzip | |
| DE2558520A1 (de) | Verfahren und vorrichtung zum proportionieren von fluessigkeiten |