JPH0257055U - - Google Patents
Info
- Publication number
- JPH0257055U JPH0257055U JP13683488U JP13683488U JPH0257055U JP H0257055 U JPH0257055 U JP H0257055U JP 13683488 U JP13683488 U JP 13683488U JP 13683488 U JP13683488 U JP 13683488U JP H0257055 U JPH0257055 U JP H0257055U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- liquid
- electrical conductivity
- counter electrode
- measured
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 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図は本考案の電極対の一例を示す概略図〔
ロはイのＡ−Ａ矢視図〕、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−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３０
１〜３０６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（Γ）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、２：セラミツク被
覆部、７：被測定液の流路、８：微小電流計。
Figure 1 is a schematic diagram showing an example of the electrode pair of the present invention.
Figure 2 is a diagram showing an example of the relationship between the actually measured values of I and l when σ and V are constant; Figures 3 and 4 are Each usage example No. 1st to 6th day after the start of operation in cases 1 and 7 [each figure a] and 30 days after the start of operation
It is a figure which shows the esterification reaction rate (Γ) converted from the electrical conductivity of the 1st to 306th day [each figure b] and the actually measured esterification reaction rate (●). 1a: Electrode, 1b: Counter electrode, 2: Ceramic coating, 7: Flow path for the 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
るようにしたフランジ取付型の電気伝導度測定用
電極対において、電極と対電極とを被測定液の流
れ方向に平行かつ対面するように設置し、かつ電
極と対電極との間の距離ｌ（cm）が０．１〜１．
０、被測定液の流路の断面積Ｓ（cm2）が１〜３
０となるようにしたことを特徴とするフランジ取
付型の電気伝導度測定用電極対。 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 a flange-mounted pair of electrodes for measuring electrical conductivity, in which a voltage is applied between them to measure a minute current, the electrode and the counter electrode are installed parallel to the flow direction of the liquid to be measured and facing each other, And the distance l (cm) between the electrode and the counter electrode is 0.1 to 1.
0, the cross-sectional area S (cm 2 ) of the flow path of the liquid to be measured is 1 to 3
A pair of flange-mounted electrodes for measuring electrical conductivity, characterized in that the electrical conductivity is 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13683488U JPH0635174Y2 (en) | 1988-10-20 | 1988-10-20 | Electrode pair for electrical conductivity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13683488U JPH0635174Y2 (en) | 1988-10-20 | 1988-10-20 | Electrode pair for electrical conductivity measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0257055U true JPH0257055U (en) | 1990-04-25 |
| JPH0635174Y2 JPH0635174Y2 (en) | 1994-09-14 |
Family
ID=31397713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13683488U Expired - Lifetime JPH0635174Y2 (en) | 1988-10-20 | 1988-10-20 | Electrode pair for electrical conductivity measurement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635174Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004324054A (en) * | 2003-04-21 | 2004-11-18 | Sho Bond Constr Co Ltd | Sheet lining method in hydraulic facility and container-shaped article made of synthetic resin sheet used for the same |
| CN104995503A (en) | 2013-02-12 | 2015-10-21 | 株式会社堀场先进技术 | Resistivity-measuring circuit, cell for measuring liquid sample, resistivity-measuring apparatus, liquid sample control method and liquid sample control system |
| JP5509358B1 (en) * | 2013-02-12 | 2014-06-04 | 株式会社 堀場アドバンスドテクノ | Specific resistance measuring circuit, specific resistance measuring apparatus, liquid sample management method, and liquid sample management system |
| EP4190581A4 (en) | 2020-07-31 | 2024-01-24 | FUJIFILM Corporation | On-press-development-type planographic printing original plate, method for producing planographic printing plate, and planographic printing method |
-
1988
- 1988-10-20 JP JP13683488U patent/JPH0635174Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635174Y2 (en) | 1994-09-14 |
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