FI834870A0 - Foerfarande foer snabb bestaemning av halten av totalsvaveldioxid och lignosulfonat i sulfitcellulosakokets processloesning - Google Patents
Foerfarande foer snabb bestaemning av halten av totalsvaveldioxid och lignosulfonat i sulfitcellulosakokets processloesningInfo
- Publication number
- FI834870A0 FI834870A0 FI834870A FI834870A FI834870A0 FI 834870 A0 FI834870 A0 FI 834870A0 FI 834870 A FI834870 A FI 834870A FI 834870 A FI834870 A FI 834870A FI 834870 A0 FI834870 A0 FI 834870A0
- Authority
- FI
- Finland
- Prior art keywords
- totalsvaveldioxid
- sulfitcellulosakokets
- processloesning
- lignosulfonat
- bestaemning
- Prior art date
Links
- 229920001732 Lignosulfonate Polymers 0.000 title 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- 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
- 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
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0042—SO2 or SO3
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y10T436/25—Chemistry: analytical and immunological testing including sample preparation
- Y10T436/25125—Digestion or removing interfering materials
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI834870A FI67581C (fi) | 1983-12-30 | 1983-12-30 | Foerfarande foer snabb bestaemning av halten av totalsvaveldioxid och lignosulfonat i sulfitcellulosakokets processloesning |
CA000469623A CA1253061A (en) | 1983-12-30 | 1984-12-07 | Method of determining rapidly the concentration of the total sulphur dioxide and the lignosulphonate present in sulphite pulping process liquors |
SE8406397A SE461875B (sv) | 1983-12-30 | 1984-12-17 | Foerfarande foer bestaemning av den totala svaveldioxidhalten och lignosulfonaterna i sulfitcellulosakokets processloesni ngar |
US07/149,936 US4889593A (en) | 1983-12-30 | 1988-01-26 | Method of determining rapidly the concentration of the total sulphur dioxide and the lignosulphonate present in sulphite pulping process liquors |
SE8900034A SE8900034D0 (sv) | 1983-12-30 | 1989-01-05 | Foerfarande foer styrning av sulfitcellulosakok genom att bestaemma totalhalten av svaveldioxid i kokvaetskan |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI834870 | 1983-12-30 | ||
FI834870A FI67581C (fi) | 1983-12-30 | 1983-12-30 | Foerfarande foer snabb bestaemning av halten av totalsvaveldioxid och lignosulfonat i sulfitcellulosakokets processloesning |
Publications (3)
Publication Number | Publication Date |
---|---|
FI834870A0 true FI834870A0 (fi) | 1983-12-30 |
FI67581B FI67581B (fi) | 1984-12-31 |
FI67581C FI67581C (fi) | 1985-04-10 |
Family
ID=8518292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI834870A FI67581C (fi) | 1983-12-30 | 1983-12-30 | Foerfarande foer snabb bestaemning av halten av totalsvaveldioxid och lignosulfonat i sulfitcellulosakokets processloesning |
Country Status (4)
Country | Link |
---|---|
US (1) | US4889593A (fi) |
CA (1) | CA1253061A (fi) |
FI (1) | FI67581C (fi) |
SE (2) | SE461875B (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5220172A (en) * | 1991-09-23 | 1993-06-15 | The Babcock & Wilcox Company | Fluorescence analyzer for lignin |
US5216483A (en) * | 1991-09-23 | 1993-06-01 | The Babcock & Wilcox Company | Fluorescence analyzer for lignin |
SE503605C2 (sv) * | 1992-01-09 | 1996-07-15 | Svenska Traeforskningsinst | Analysförfarande med UV-absorptionsmätning |
US8009277B2 (en) * | 2007-10-26 | 2011-08-30 | International Paper Company | Sensor technique for black liquor oxidation control |
WO2015037647A1 (ja) * | 2013-09-11 | 2015-03-19 | 日本製紙株式会社 | 溶解クラフトパルプの製造方法 |
EP3938757A4 (en) * | 2019-03-12 | 2022-11-16 | Hattingh, Paul | TEST PROCEDURE FOR RESIDUAL ORGANIC COMPOUNDS IN A LIQUID SAMPLE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI69132C (fi) * | 1982-10-19 | 1985-12-10 | Advanced Forest Automation Ab | Foerfarande foer en snabb bestaemning av halten av lignin monosackarider och organiska syror i sulfitcellulosakokningens processloesningar |
-
1983
- 1983-12-30 FI FI834870A patent/FI67581C/fi not_active IP Right Cessation
-
1984
- 1984-12-07 CA CA000469623A patent/CA1253061A/en not_active Expired
- 1984-12-17 SE SE8406397A patent/SE461875B/sv not_active IP Right Cessation
-
1988
- 1988-01-26 US US07/149,936 patent/US4889593A/en not_active Expired - Fee Related
-
1989
- 1989-01-05 SE SE8900034A patent/SE8900034D0/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8900034L (sv) | 1989-01-05 |
CA1253061A (en) | 1989-04-25 |
SE461875B (sv) | 1990-04-02 |
SE8406397D0 (sv) | 1984-12-17 |
US4889593A (en) | 1989-12-26 |
SE8406397L (sv) | 1985-07-01 |
FI67581B (fi) | 1984-12-31 |
FI67581C (fi) | 1985-04-10 |
SE8900034D0 (sv) | 1989-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: OY ADVANCED FOREST AUTOMATION AB |