JPH0221546B2 - - Google Patents
Info
- Publication number
- JPH0221546B2 JPH0221546B2 JP56119750A JP11975081A JPH0221546B2 JP H0221546 B2 JPH0221546 B2 JP H0221546B2 JP 56119750 A JP56119750 A JP 56119750A JP 11975081 A JP11975081 A JP 11975081A JP H0221546 B2 JPH0221546 B2 JP H0221546B2
- Authority
- JP
- Japan
- Prior art keywords
- indicator
- indicator liquid
- color
- present
- ethylene glycol
- 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 - Lifetime
Links
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
- G01N31/22—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
- G01N31/221—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 pH value
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Biophysics (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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11975081A JPS5821163A (ja) | 1981-07-30 | 1981-07-30 | pH指示液 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11975081A JPS5821163A (ja) | 1981-07-30 | 1981-07-30 | pH指示液 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5821163A JPS5821163A (ja) | 1983-02-07 |
JPH0221546B2 true JPH0221546B2 (en:Method) | 1990-05-15 |
Family
ID=14769217
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11975081A Granted JPS5821163A (ja) | 1981-07-30 | 1981-07-30 | pH指示液 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821163A (en:Method) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6594280B2 (ja) * | 2016-09-21 | 2019-10-23 | 学校法人東京電機大学 | 広範囲pH指示用共重合体及びその合成方法 |
EP4538713A3 (en) | 2019-01-15 | 2025-06-25 | Precision Planting LLC | Soil analyis compositions and methods |
JP7446573B2 (ja) * | 2021-09-24 | 2024-03-11 | 東洋濾紙株式会社 | 呈色組成物 |
-
1981
- 1981-07-30 JP JP11975081A patent/JPS5821163A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5821163A (ja) | 1983-02-07 |
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