JPH0346857U - - Google Patents
Info
- Publication number
- JPH0346857U JPH0346857U JP10744389U JP10744389U JPH0346857U JP H0346857 U JPH0346857 U JP H0346857U JP 10744389 U JP10744389 U JP 10744389U JP 10744389 U JP10744389 U JP 10744389U JP H0346857 U JPH0346857 U JP H0346857U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- aqueous solution
- coated
- solute concentration
- porous
- 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
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- -1 Polypropylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案による水溶液中溶質濃度測定セ
ンサの構造を示す図、第２図は第１図におけるＡ
−Ａ線断面図である。第３図は本考案によるセン
サと比較用のセンサを用いて硫酸水溶液中の濃度
を連続的に測定したときのセンサの特性の変化を
示した図である。
１…湿度センサ、２…３重層構造膜、３…ポリ
プロピレン樹脂。
Figure 1 is a diagram showing the structure of the solute concentration measurement sensor in an aqueous solution according to the present invention, and Figure 2 is a diagram showing the structure of the sensor for measuring solute concentration in an aqueous solution according to the present invention.
-A cross-sectional view. FIG. 3 is a diagram showing changes in sensor characteristics when the concentration in an aqueous sulfuric acid solution was continuously measured using a sensor according to the present invention and a comparative sensor. 1... Humidity sensor, 2... Triple layer structure membrane, 3... Polypropylene resin.
Claims (1)
水溶液中溶質濃度測定センサにおいて、湿度セン
サの感湿部のみを多孔質非透水性フツ素樹脂膜で
被覆し、その周縁部は非多孔性樹脂で被覆したこ
とを特徴とする水溶液中溶質濃度測定センサ。 In a sensor for measuring solute concentration in an aqueous solution in which a humidity sensor is coated with a non-water permeable resin film, only the moisture sensing part of the humidity sensor is covered with a porous non-water permeable fluororesin film, and the peripheral part is non-porous. A sensor for measuring solute concentration in an aqueous solution characterized by being coated with a resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10744389U JPH0745002Y2 (en) | 1989-09-13 | 1989-09-13 | Solute concentration measurement sensor in aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10744389U JPH0745002Y2 (en) | 1989-09-13 | 1989-09-13 | Solute concentration measurement sensor in aqueous solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0346857U true JPH0346857U (en) | 1991-04-30 |
| JPH0745002Y2 JPH0745002Y2 (en) | 1995-10-11 |
Family
ID=31656135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10744389U Expired - Lifetime JPH0745002Y2 (en) | 1989-09-13 | 1989-09-13 | Solute concentration measurement sensor in aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0745002Y2 (en) |
-
1989
- 1989-09-13 JP JP10744389U patent/JPH0745002Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0745002Y2 (en) | 1995-10-11 |