CH642177A5 - Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. - Google Patents
Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. Download PDFInfo
- Publication number
- CH642177A5 CH642177A5 CH653579A CH653579A CH642177A5 CH 642177 A5 CH642177 A5 CH 642177A5 CH 653579 A CH653579 A CH 653579A CH 653579 A CH653579 A CH 653579A CH 642177 A5 CH642177 A5 CH 642177A5
- Authority
- CH
- Switzerland
- Prior art keywords
- temperature
- liquid
- indicator
- good
- acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000012544 monitoring process Methods 0.000 title claims description 8
- 239000007788 liquid Substances 0.000 claims description 31
- 239000000126 substance Substances 0.000 claims description 27
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 24
- 238000009792 diffusion process Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 11
- 229920002678 cellulose Polymers 0.000 claims description 11
- 239000001913 cellulose Substances 0.000 claims description 11
- 230000001419 dependent effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 4
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000011973 solid acid Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 229920002994 synthetic fiber Polymers 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000002985 plastic film Substances 0.000 claims 2
- 229920006255 plastic film Polymers 0.000 claims 2
- 230000000750 progressive effect Effects 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 230000032683 aging Effects 0.000 claims 1
- 238000011109 contamination Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 235000013305 food Nutrition 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 235000013611 frozen food Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229930003268 Vitamin C Natural products 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 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
- 239000011521 glass Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 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
- G01N33/02—Food
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/02—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values
- G01K3/04—Thermometers giving results other than momentary value of temperature giving means values; giving integrated values in respect of time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/229—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating time/temperature history
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH653579A CH642177A5 (de) | 1979-07-13 | 1979-07-13 | Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. |
| EP80901233A EP0031826B1 (de) | 1979-07-13 | 1980-07-11 | Verfahren zur überwachung der zeit/temperaturgeschichte eines tiefgekühlten gutes, indikator zur ausführung des verfahrens und verwendung des verfahrens |
| US06/253,748 US4432656A (en) | 1979-07-13 | 1980-07-11 | Process for monitoring the history of temperature versus time of deep-frozen product, indicator for applying said process and utilization of said process |
| PCT/CH1980/000085 WO1981000303A1 (fr) | 1979-07-13 | 1980-07-11 | Procede de surveillance de l'histoire de la temperature en fonction du temps d'un produit surgele, indicateur pour la mise en oeuvre du procede et utilisation du procede |
| DE8080901233T DE3068026D1 (en) | 1979-07-13 | 1980-07-11 | Process for monitoring the history of temperature versus time of deep-frozen product, indicator for applying said process and utilization of said process |
| JP50148480A JPS56500903A (Direct) | 1979-07-13 | 1980-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH653579A CH642177A5 (de) | 1979-07-13 | 1979-07-13 | Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH642177A5 true CH642177A5 (de) | 1984-03-30 |
Family
ID=4311122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH653579A CH642177A5 (de) | 1979-07-13 | 1979-07-13 | Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4432656A (Direct) |
| EP (1) | EP0031826B1 (Direct) |
| JP (1) | JPS56500903A (Direct) |
| CH (1) | CH642177A5 (Direct) |
| DE (1) | DE3068026D1 (Direct) |
| WO (1) | WO1981000303A1 (Direct) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4485564A (en) * | 1980-11-14 | 1984-12-04 | Aktiebolaget Edane Komponenter | Method of carrying out the drying of wooden objects |
| US4834017A (en) * | 1987-03-13 | 1989-05-30 | Frigorifico Rio Platense Saici Y F | Time-temperature integrating indicator for monitoring the cooking process of packaged meats in the temperature range of 85-100 degrees celcius |
| WO1989000680A1 (fr) * | 1987-07-09 | 1989-01-26 | Thomas Allmendinger | Dispositif indicateur de la position d'un fluide qui se repand dans un corps |
| US4846095A (en) * | 1987-10-02 | 1989-07-11 | Minnesota Mining And Manufacturing Company | Critical temperature indicating device |
| US5045283A (en) * | 1988-08-02 | 1991-09-03 | Jp Labs Inc. | Moving boundary device for monitoring shelf-life of a perishable product |
| US5053339A (en) * | 1988-11-03 | 1991-10-01 | J P Labs Inc. | Color changing device for monitoring shelf-life of perishable products |
| US5159564A (en) * | 1988-12-22 | 1992-10-27 | North Carolina State University | Thermal memory cell and thermal system evaluation |
| US5021981A (en) * | 1988-12-22 | 1991-06-04 | North Carolina State University | Thermal memory cell and thermal system evaluation |
| CA2014409A1 (en) * | 1990-04-11 | 1991-10-11 | Mark Adrian Jozefowicz | Liquid and/or temperature activated elapsed time indicators suitable, in particular, as doneness indicators for foodstuffs |
| GB2260813A (en) * | 1991-10-26 | 1993-04-28 | Raymond * Williams Terry | Cryogenic labels to detect an exposure to sub zero temperatures for a predetermined period of time |
| US5662419A (en) * | 1995-06-07 | 1997-09-02 | Andover Monitoring Systems, Inc. | Time-temperature monitor and recording device and method for using the same |
| US5602804A (en) * | 1995-08-03 | 1997-02-11 | Temtec Inc | Long term rapid color changing time indicator |
| IT1279633B1 (it) * | 1995-09-19 | 1997-12-16 | Nicola Massi | Dispositivo per identificare e quantificare interruzioni della catena del freddo in prodotti surgelati o congelati |
| US5964181A (en) * | 1995-11-16 | 1999-10-12 | 3M Innovative Properties Company | Temperature indicating device |
| US5997927A (en) * | 1997-03-18 | 1999-12-07 | Gics & Vermee, L.P. | Indicator, an associated package and associated methods |
| IL129002A (en) * | 1997-07-16 | 2005-09-25 | Us Gov Health & Human Serv | Food quality indicator device |
| IT1296550B1 (it) * | 1997-11-11 | 1999-07-09 | Intec Srl | Dispositivo per identificare quantificare e segnalare interruzioni della catena del freddo in prodotti surgelati o congelati. |
| US6331076B1 (en) * | 1998-10-30 | 2001-12-18 | Manufacturers' Services Ltd. | Solder paste with a time-temperature indicator |
| US6737274B1 (en) | 1999-02-04 | 2004-05-18 | United States Of America As Represented By The Secretary Of The Army | Comparator for time-temperature indicator |
| US6786638B1 (en) * | 1999-04-28 | 2004-09-07 | Cordis Corporation | In-situ standard for temperature indicating labels |
| EP1222447A1 (fr) * | 1999-10-20 | 2002-07-17 | BARBIERI, Galdino | Dispositif pour la detection et la mesure quantitative de l'exposition d'un objet a une temperature et une duree predeterminees |
| US6741523B1 (en) | 2000-05-15 | 2004-05-25 | 3M Innovative Properties Company | Microstructured time dependent indicators |
| AU2001268342A1 (en) * | 2000-06-23 | 2002-01-08 | Innova/Pure Water Inc | Water-filter lifetime indicator |
| GB0116653D0 (en) * | 2001-07-07 | 2001-08-29 | Temp Tell Ltd | Time temperature indicators linked to sensory detection |
| CA2355516C (en) * | 2001-08-17 | 2009-05-05 | Louis A. Nagy | Cross car support structure |
| SE0104206D0 (sv) * | 2001-12-12 | 2001-12-12 | Alf Andersen | Sensor |
| AU2003241283A1 (en) * | 2002-04-03 | 2003-10-20 | 3M Innovative Properties Company | Time or time-temperature indicating articles |
| US7141350B2 (en) * | 2003-09-22 | 2006-11-28 | Eastman Kodak Company | Article of manufacture having a performance verification indicator |
| WO2005033642A1 (en) * | 2003-09-22 | 2005-04-14 | Eastman Kodak Company | Method and article for verifying product use |
| WO2005050192A1 (en) * | 2003-11-20 | 2005-06-02 | Freshpoint Holdings S.A. | Method and system for determining the condition of a time-temperature indicator |
| US9835498B2 (en) * | 2003-11-20 | 2017-12-05 | Freshpoint Quality Assurance Ltd. | Method and system for determining the condition of a time-temperature indicator |
| US20050188910A1 (en) * | 2004-03-01 | 2005-09-01 | Mccorkle Polly D. | Single-use biotherm for reducing foodborne illnesses |
| JP4851465B2 (ja) | 2004-11-08 | 2012-01-11 | フレッシュポイント・ホールディングス・ソシエテ・アノニム | 時間温度指示装置 |
| ITGE20050037A1 (it) * | 2005-06-03 | 2006-12-04 | Montalbano S P A | Indicatore di vita residua per prodotti di consumo deperibili, in particolare per prodotti alimentari. |
| US20070086505A1 (en) * | 2005-10-14 | 2007-04-19 | Linsenbigler James G | Disposable temperature tape |
| JP2009543076A (ja) * | 2006-07-11 | 2009-12-03 | ナイジェル ブロックウェル，ポール | 検体濃度を測定する指示計システム |
| US9011794B2 (en) * | 2007-01-11 | 2015-04-21 | Freshpoint Quality Assurance Ltd. | Time temperature indicator |
| US20080184927A1 (en) * | 2007-02-02 | 2008-08-07 | Paul Phong Anh Pham | Container cap for assuring quality |
| US8028533B2 (en) * | 2007-11-28 | 2011-10-04 | E & J Enterprises, Llc | Defrost indicator |
| CN102077060B (zh) | 2008-06-04 | 2014-10-29 | G·帕特尔 | 一种基于腐蚀金属的监测系统 |
| AU2009256212B2 (en) | 2008-06-04 | 2015-12-10 | Jp Laboratories Inc. | A monitoring system based on etching of metals |
| WO2009156285A1 (en) * | 2008-06-23 | 2009-12-30 | Freshpoint Holdings Sa | Time temperature indicator |
| US20100043694A1 (en) * | 2008-08-20 | 2010-02-25 | Patel Gordhanbhai N | Tamper evident indicating devices |
| US20120083043A1 (en) * | 2009-03-24 | 2012-04-05 | Ribate Y Asociados, S.L.U. | Temperature-time indicator system based on irreversible color changes, and corresponding method |
| GB2485420A (en) * | 2010-11-15 | 2012-05-16 | Pirtsemit Ltd | Lower threshold temperature indicator device |
| US20120174853A1 (en) * | 2011-01-06 | 2012-07-12 | Robert Wilson | Temperature Sensing Food Stuff Label |
| US8931951B2 (en) * | 2011-03-14 | 2015-01-13 | The Johns Hopkins University | Time-temperature indicator |
| WO2014053435A1 (de) * | 2012-10-01 | 2014-04-10 | Innorese Ag | Anzeigevorrichtung |
| TWI467142B (zh) | 2013-05-13 | 2015-01-01 | Ind Tech Res Inst | 分離式溫度指示裝置及其使用方法 |
| WO2015112679A1 (en) | 2014-01-27 | 2015-07-30 | Jp Laboratories, Inc | Indicating devices based on lateral diffusion of a mobile phase through a non-porous stationary phase |
| US10032683B2 (en) * | 2015-06-16 | 2018-07-24 | International Business Machines Corporation | Time temperature monitoring system |
| KR101785068B1 (ko) * | 2017-05-31 | 2017-10-12 | 이남희 | 시간 표시기 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2552477A (en) * | 1946-06-05 | 1951-05-08 | Cole James Webb | Temperature time integrator |
| US2560537A (en) * | 1949-07-08 | 1951-07-17 | Ariel A Andersen | Defrosting indicator |
| US2762711A (en) * | 1953-04-29 | 1956-09-11 | Monsanto Chemicals | Thaw indicator |
| US3090234A (en) * | 1961-09-06 | 1963-05-21 | Honeywell Regulator Co | Condition responsive devices |
| NL286850A (Direct) * | 1961-12-18 | 1900-01-01 | ||
| DE1573279C3 (de) * | 1966-12-19 | 1975-08-14 | Michel-Werke Kg, 8900 Augsburg | Vorrichtung zum Anzeigen einer kritischen Temperaturerhöhung |
| US3695903A (en) * | 1970-05-04 | 1972-10-03 | American Standard Inc | Time/temperature indicators |
| US3946611A (en) * | 1974-05-14 | 1976-03-30 | Bio-Medical Sciences, Inc. | Time-temperature integrating indicator |
| US4042336A (en) * | 1974-05-14 | 1977-08-16 | Bio-Medical Sciences Inc. | Time temperature integrating indicator |
| JPS5531948Y2 (Direct) * | 1976-08-28 | 1980-07-30 | ||
| NL7702749A (nl) * | 1977-03-15 | 1978-09-19 | Akzo Nv | Tijd-temperatuurindicator. |
| US4137049A (en) * | 1977-05-10 | 1979-01-30 | Akzona Incorporated | Device for use as an elapsed time indicator or time temperature indicator |
| GB1604649A (en) * | 1978-05-30 | 1981-12-09 | Kirkham G A | Temperature indicator device for providing visual indication as to whether a predetermined temperature has been exceeded for a predetermined time |
-
1979
- 1979-07-13 CH CH653579A patent/CH642177A5/de not_active IP Right Cessation
-
1980
- 1980-07-11 WO PCT/CH1980/000085 patent/WO1981000303A1/de not_active Ceased
- 1980-07-11 US US06/253,748 patent/US4432656A/en not_active Expired - Fee Related
- 1980-07-11 DE DE8080901233T patent/DE3068026D1/de not_active Expired
- 1980-07-11 JP JP50148480A patent/JPS56500903A/ja active Pending
- 1980-07-11 EP EP80901233A patent/EP0031826B1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56500903A (Direct) | 1981-07-02 |
| WO1981000303A1 (fr) | 1981-02-05 |
| EP0031826B1 (de) | 1984-05-30 |
| US4432656A (en) | 1984-02-21 |
| EP0031826A1 (de) | 1981-07-15 |
| DE3068026D1 (en) | 1984-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH642177A5 (de) | Verfahren zur ueberwachung der temperaturgeschichte eines gutes, indikator zur ausfuehrung des verfahrens und anwendung des verfahrens. | |
| DE2445379C2 (de) | Chemische Zeitanzeigevorrichtung | |
| DE2715752C2 (Direct) | ||
| DE2649701A1 (de) | Warnzeichen | |
| DE1498875B2 (de) | Anzeigevorrichtung zur qualitativen und/oder quantitativen Ermittlung von physi kaiischen Zustandsgrößen und zur analyti sehen Bestimmung von Flüssigkeiten | |
| DE2718697B2 (de) | Komposition mit geregelter Änderung von Farbe und pH-Wert beim Gefrieren sowie Verfahren zu ihrer Herstellung | |
| DE3239092C2 (Direct) | ||
| CH684378B5 (de) | Anzeigevorrichtung. | |
| DE4338811A1 (de) | Verwendung von Teststreifen zur Bestimmung der UV-Intensität oder zur Vorbestimmung der sonnenbrandfreien Aufenthaltsdauer in der Sonne sowie hierfür geeignetes Testsystem und Teststreifenpackung | |
| DE2152068B2 (Direct) | ||
| DE2934110A1 (de) | Blutanalysen in poroesen materialien | |
| DD202473A5 (de) | Mehrschichtiges testmittel zum nachweis einer komponente einer fluessigen probe | |
| DE2547638A1 (de) | Vorrichtung zur irreversiblen anzeige zeitweiliger ueberschreitung der lagerhoechsttemperatur an in gefrorenem oder tiefgefrorenem zustand gelagerten produkten | |
| DE69837575T2 (de) | Vorrichtung und Verfahren zur Inkubation von Teststreifen | |
| DE2130926A1 (de) | Kontroll-Indikator fuer Tiefkuehlprodukte | |
| DE2521239B2 (de) | Temperatur-zeitintegrierender Anzeiger | |
| DE69209898T2 (de) | Feuchtigkeitsmessgerät für Granulat oder Pulver und Methode zur Feuchtigkeitsbestimmung | |
| DE2752508C2 (de) | Bodenfeuchtigkeitsmesser | |
| DE2514609A1 (de) | Verfahren und vorrichtung zum messen akuter giftigkeit von fluessigkeit | |
| DE1498909B2 (de) | Kolorimetrisches Gasdosimeter | |
| DE2913889A1 (de) | Verfahren zur kristallinen abscheidung von chromogenen | |
| DE3732504C2 (Direct) | ||
| DE2062710A1 (de) | Verfahren und Vorrichtung zur Bestimmung von enzymhemmenden Stoffen | |
| DE1498875C (de) | Anzeigevorrichtung zur qualitativen und/oder quantitativen Ermittlung von physi kahschen Zustandsgrößen und zur analyti sehen Bestimmung von Flüssigkeiten | |
| DE4031792A1 (de) | Indikator-element aus festen bestandteilen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |