CH629307A5 - Method for automatic phosphate determination - Google Patents
Method for automatic phosphate determination Download PDFInfo
- Publication number
- CH629307A5 CH629307A5 CH675578A CH675578A CH629307A5 CH 629307 A5 CH629307 A5 CH 629307A5 CH 675578 A CH675578 A CH 675578A CH 675578 A CH675578 A CH 675578A CH 629307 A5 CH629307 A5 CH 629307A5
- Authority
- CH
- Switzerland
- Prior art keywords
- phosphate
- wastewater
- molybdate
- vanadate
- waste water
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title description 19
- 229910019142 PO4 Inorganic materials 0.000 title description 18
- 239000010452 phosphate Substances 0.000 title description 18
- 238000000034 method Methods 0.000 title description 9
- 239000002351 wastewater Substances 0.000 description 21
- 235000021317 phosphate Nutrition 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 5
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012851 eutrophication Methods 0.000 description 3
- 238000005375 photometry Methods 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 2
- 239000000538 analytical sample Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010841 municipal wastewater Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 238000004454 trace mineral analysis Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 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
- 239000012491 analyte Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- TWHXWYVOWJCXSI-UHFFFAOYSA-N phosphoric acid;hydrate Chemical class O.OP(O)(O)=O TWHXWYVOWJCXSI-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000004094 surface-active agent 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
- G01N33/18—Water
- G01N33/182—Specific anions in water
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (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 |
|---|---|---|---|
| DE19772728706 DE2728706A1 (de) | 1977-06-25 | 1977-06-25 | Verfahren zur automatischen phosphatbestimmung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH629307A5 true CH629307A5 (en) | 1982-04-15 |
Family
ID=6012347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH675578A CH629307A5 (en) | 1977-06-25 | 1978-06-21 | Method for automatic phosphate determination |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH629307A5 (xx) |
| DE (1) | DE2728706A1 (xx) |
| NL (1) | NL7806645A (xx) |
| SE (1) | SE7807181L (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843015A (en) * | 1987-11-05 | 1989-06-27 | Westvaco Corporation | Method for determining volatile phosphorus in carbon |
| DE102007004339B4 (de) * | 2007-01-29 | 2008-10-02 | Lar Process Analysers Ag | Verfahren und Vorrichtung zur Bestimmung des Phosphorgehaltes einer wässrigen Probe |
| DE102017121797A1 (de) | 2017-09-20 | 2019-03-21 | Hach Lange Gmbh | Verfahren zur bestimmung von phosphat |
| EP4286833A1 (en) | 2022-06-01 | 2023-12-06 | Hach Lange GmbH | Methods of determining phosphate concentration in a water sample |
-
1977
- 1977-06-25 DE DE19772728706 patent/DE2728706A1/de not_active Withdrawn
-
1978
- 1978-06-20 NL NL7806645A patent/NL7806645A/xx not_active Application Discontinuation
- 1978-06-21 CH CH675578A patent/CH629307A5/de not_active IP Right Cessation
- 1978-06-22 SE SE7807181A patent/SE7807181L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2728706A1 (de) | 1979-01-18 |
| NL7806645A (nl) | 1978-12-28 |
| SE7807181L (sv) | 1978-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |