BR7800051A - Processo para medir a concentracao de alcali efetivo no liquido de processamento por deslignificacao de material contendo fibra - Google Patents
Processo para medir a concentracao de alcali efetivo no liquido de processamento por deslignificacao de material contendo fibraInfo
- Publication number
- BR7800051A BR7800051A BR7800051A BR7800051A BR7800051A BR 7800051 A BR7800051 A BR 7800051A BR 7800051 A BR7800051 A BR 7800051A BR 7800051 A BR7800051 A BR 7800051A BR 7800051 A BR7800051 A BR 7800051A
- Authority
- BR
- Brazil
- Prior art keywords
- designification
- concentration
- measuring
- processing liquid
- containing material
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
- 239000000463 material Substances 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
-
- 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
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7700090A SE408488B (sv) | 1977-01-05 | 1977-01-05 | Sett att vid alkalisk uppslutning av fiberhaltigt material bestemma processvetskans koncentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7800051A true BR7800051A (pt) | 1978-08-15 |
Family
ID=20330117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7800051A BR7800051A (pt) | 1977-01-05 | 1978-01-04 | Processo para medir a concentracao de alcali efetivo no liquido de processamento por deslignificacao de material contendo fibra |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS53111103A (fi) |
| BR (1) | BR7800051A (fi) |
| FI (1) | FI62358C (fi) |
| SE (1) | SE408488B (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4718979A (en) * | 1983-10-18 | 1988-01-12 | Oy Advanced Forest Automation Ab | Method for rapid determination of the contents of lignin, monosaccharides and organic acids in the process solutions of sulfite pulping |
-
1977
- 1977-01-05 SE SE7700090A patent/SE408488B/xx unknown
-
1978
- 1978-01-03 FI FI780009A patent/FI62358C/fi not_active IP Right Cessation
- 1978-01-04 BR BR7800051A patent/BR7800051A/pt unknown
- 1978-01-05 JP JP4878A patent/JPS53111103A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI62358B (fi) | 1982-08-31 |
| JPS53111103A (en) | 1978-09-28 |
| SE408488B (sv) | 1979-06-11 |
| FI62358C (fi) | 1982-12-10 |
| SE7700090L (sv) | 1978-07-06 |
| FI780009A (fi) | 1978-07-06 |
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