JPS6336467B2 - - Google Patents
Info
- Publication number
- JPS6336467B2 JPS6336467B2 JP5782782A JP5782782A JPS6336467B2 JP S6336467 B2 JPS6336467 B2 JP S6336467B2 JP 5782782 A JP5782782 A JP 5782782A JP 5782782 A JP5782782 A JP 5782782A JP S6336467 B2 JPS6336467 B2 JP S6336467B2
- Authority
- JP
- Japan
- Prior art keywords
- fruit juice
- acidity
- conductivity
- solution
- value
- 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
- 235000015203 fruit juice Nutrition 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 15
- 238000007865 diluting Methods 0.000 claims description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 238000005259 measurement Methods 0.000 description 10
- 239000012086 standard solution Substances 0.000 description 9
- 235000020971 citrus fruits Nutrition 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000004448 titration Methods 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 6
- 150000007524 organic acids Chemical class 0.000 description 6
- 238000001139 pH measurement Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 241001672694 Citrus reticulata Species 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- 244000141359 Malus pumila Species 0.000 description 2
- 241000219094 Vitaceae Species 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 235000021016 apples Nutrition 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000021021 grapes Nutrition 0.000 description 2
- 241000207199 Citrus Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 240000000560 Citrus x paradisi Species 0.000 description 1
- 244000088415 Raphanus sativus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- -1 citric acid) Chemical class 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- IWZKICVEHNUQTL-UHFFFAOYSA-M potassium hydrogen phthalate Chemical compound [K+].OC(=O)C1=CC=CC=C1C([O-])=O IWZKICVEHNUQTL-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 230000007704 transition Effects 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
- G01N33/02—Food
- G01N33/14—Beverages
- G01N33/143—Beverages containing sugar
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (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 Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5782782A JPS58173463A (ja) | 1982-04-06 | 1982-04-06 | 果汁酸度の簡易測定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5782782A JPS58173463A (ja) | 1982-04-06 | 1982-04-06 | 果汁酸度の簡易測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58173463A JPS58173463A (ja) | 1983-10-12 |
| JPS6336467B2 true JPS6336467B2 (US20100223739A1-20100909-C00005.png) | 1988-07-20 |
Family
ID=13066753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5782782A Granted JPS58173463A (ja) | 1982-04-06 | 1982-04-06 | 果汁酸度の簡易測定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58173463A (US20100223739A1-20100909-C00005.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02146568U (US20100223739A1-20100909-C00005.png) * | 1989-05-09 | 1990-12-12 | ||
| JPH0341646Y2 (US20100223739A1-20100909-C00005.png) * | 1986-08-21 | 1991-09-02 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010110642A (ko) * | 2001-04-06 | 2001-12-13 | 권영호 | 감귤산도 측정장치 |
| US20070202369A1 (en) * | 2006-02-27 | 2007-08-30 | Korea Institute Of Science And Technology | Direct formic acid fuel cell performing real time measurement and control of concentration of formic acid and operation method thereof |
| CN114544882A (zh) * | 2022-03-07 | 2022-05-27 | 新疆西部合盛硅业有限公司 | 一种新型在线监测物料酸碱浓度的方法 |
-
1982
- 1982-04-06 JP JP5782782A patent/JPS58173463A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0341646Y2 (US20100223739A1-20100909-C00005.png) * | 1986-08-21 | 1991-09-02 | ||
| JPH02146568U (US20100223739A1-20100909-C00005.png) * | 1989-05-09 | 1990-12-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58173463A (ja) | 1983-10-12 |
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