GB1421640A - Process for determinating the concentration of a dissolved substance in alkaline solutions - Google Patents
Process for determinating the concentration of a dissolved substance in alkaline solutionsInfo
- Publication number
- GB1421640A GB1421640A GB3891973A GB3891973A GB1421640A GB 1421640 A GB1421640 A GB 1421640A GB 3891973 A GB3891973 A GB 3891973A GB 3891973 A GB3891973 A GB 3891973A GB 1421640 A GB1421640 A GB 1421640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- concentration
- burette
- reading
- refractometer
- solute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000012670 alkaline solution Substances 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000004448 titration Methods 0.000 abstract 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 abstract 1
- 229930185605 Bisphenol Natural products 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000012085 test solution Substances 0.000 abstract 1
Classifications
-
- 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
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/162—Determining the equivalent point by means of a discontinuity
-
- 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
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (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 |
|---|---|---|---|
| DE19722242153 DE2242153C3 (de) | 1972-08-26 | Verfahren zur Bestimmung der Konzentration von Bisphenol in alkalischen Lösungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1421640A true GB1421640A (en) | 1976-01-21 |
Family
ID=5854702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3891973A Expired GB1421640A (en) | 1972-08-26 | 1973-08-17 | Process for determinating the concentration of a dissolved substance in alkaline solutions |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH556024A (enExample) |
| FR (1) | FR2197169B1 (enExample) |
| GB (1) | GB1421640A (enExample) |
| IT (1) | IT1006078B (enExample) |
-
1973
- 1973-08-17 GB GB3891973A patent/GB1421640A/en not_active Expired
- 1973-08-24 FR FR7330825A patent/FR2197169B1/fr not_active Expired
- 1973-08-24 IT IT2822073A patent/IT1006078B/it active
- 1973-08-24 CH CH1221073A patent/CH556024A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2197169A1 (enExample) | 1974-03-22 |
| CH556024A (de) | 1974-11-15 |
| FR2197169B1 (enExample) | 1974-11-08 |
| DE2242153B2 (de) | 1977-02-10 |
| IT1006078B (it) | 1976-09-30 |
| DE2242153A1 (de) | 1974-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |