JPS63190970U - - Google Patents
Info
- Publication number
- JPS63190970U JPS63190970U JP8232587U JP8232587U JPS63190970U JP S63190970 U JPS63190970 U JP S63190970U JP 8232587 U JP8232587 U JP 8232587U JP 8232587 U JP8232587 U JP 8232587U JP S63190970 U JPS63190970 U JP S63190970U
- Authority
- JP
- Japan
- Prior art keywords
- electrical conductivity
- electrode
- liquid
- flow path
- counter electrode
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Description
第1図は本考案の装置の一例を示す概略図、第
2図はσ及びVを一定として、実測されたIの値
とl/Sの値との関係の一例を示す図、第3図及
び第4図はそれぞれ使用例No.1及び7のケース
における運転開始当初1〜6日目〔各図a〕及び
運転開始開始から301〜306日目〔各図b〕
の電気伝導度から換算したエステル化反応率(〇
)と実測されたエステル化反応率(●)とを示す
図である。
1a:電極、1b:対電極、2a,2b:セラ
ミツク被覆部、7:被測定液の流路、8:微小電
流計。
Fig. 1 is a schematic diagram showing an example of the device of the present invention, Fig. 2 is a diagram showing an example of the relationship between the actually measured values of I and l/S when σ and V are constant, and Fig. 3 and Figure 4 are the 1st to 6th days after the start of operation [each figure a] and the 301st to 306th days after the start of operation [each figure b] in the cases of usage examples No. 1 and 7, respectively.
FIG. 2 is a diagram showing the esterification reaction rate (○) calculated from the electrical conductivity of the sample and the actually measured esterification reaction rate (●). 1a: Electrode, 1b: Counter electrode, 2a, 2b: Ceramic coating, 7: Channel for liquid to be measured, 8: Microcurrent meter.
Claims (1)
ー/cm以下のセラミツク材料で被覆された電極と
対電極との間に被測定液の流路を形成し、電極と
対電極との間に電圧を印加して微小電流を測定す
るようにした電気伝導度測定装置において、電極
と対電極との間の距離l(cm)と被測定液の流路
の断面積S(cm2)との比が100/cm以下とな
るようにしたことを特徴とする電気伝導度測定装
置。 A flow path for the liquid to be measured is formed between the counter electrode and the electrode whose surface other than the part in contact with the liquid is coated with a ceramic material having an electrical conductivity of 1×10 −5 mho/cm or less, and the flow path between the electrode and the counter electrode is In an electrical conductivity measuring device that measures minute currents by applying a voltage between them, the distance l (cm) between the electrode and the counter electrode and the cross-sectional area S (cm 2 ) of the flow path of the liquid to be measured An electrical conductivity measuring device characterized in that the ratio between the electrical conductivity and
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8232587U JPS63190970U (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8232587U JPS63190970U (en) | 1987-05-29 | 1987-05-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63190970U true JPS63190970U (en) | 1988-12-08 |
Family
ID=30934876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8232587U Pending JPS63190970U (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63190970U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310615A (en) * | 2004-04-23 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Fuel cell system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838780A (en) * | 1971-09-15 | 1973-06-07 | ||
JPS618356U (en) * | 1984-06-20 | 1986-01-18 | 松下電工株式会社 | nutritional intake meter |
JPS61145441A (en) * | 1984-12-19 | 1986-07-03 | Nippon Ester Co Ltd | Apparatus for measuring electric conductivity |
-
1987
- 1987-05-29 JP JP8232587U patent/JPS63190970U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4838780A (en) * | 1971-09-15 | 1973-06-07 | ||
JPS618356U (en) * | 1984-06-20 | 1986-01-18 | 松下電工株式会社 | nutritional intake meter |
JPS61145441A (en) * | 1984-12-19 | 1986-07-03 | Nippon Ester Co Ltd | Apparatus for measuring electric conductivity |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005310615A (en) * | 2004-04-23 | 2005-11-04 | Matsushita Electric Ind Co Ltd | Fuel cell system |
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