JPH01158332A - Method for measuring concentration of hydrogen peroxide water - Google Patents
Method for measuring concentration of hydrogen peroxide waterInfo
- Publication number
- JPH01158332A JPH01158332A JP31608387A JP31608387A JPH01158332A JP H01158332 A JPH01158332 A JP H01158332A JP 31608387 A JP31608387 A JP 31608387A JP 31608387 A JP31608387 A JP 31608387A JP H01158332 A JPH01158332 A JP H01158332A
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- brix
- hydrogen peroxide
- water
- degree
- 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
- 238000000034 method Methods 0.000 title claims description 10
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 title 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000011088 calibration curve Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000000243 solution Substances 0.000 abstract description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 abstract description 4
- 229930006000 Sucrose Natural products 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- 239000012488 sample solution Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 229960004793 sucrose Drugs 0.000 abstract 1
- 239000005720 sucrose Substances 0.000 description 3
- 238000012371 Aseptic Filling Methods 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、殺菌剤等に使用される過酸化水素水の濃度測
定方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for measuring the concentration of hydrogen peroxide solution used as a disinfectant or the like.
一般に食料等の無菌充填機では過酸化水素水が容器の殺
菌剤として広く使用されている。In general, hydrogen peroxide is widely used as a disinfectant for containers in aseptic filling machines for foodstuffs and the like.
ところで、過酸化水素はその性質上分解し易く、また、
加温して使用する場合には水分の蒸発による濃度上昇が
生じ過酸化水素水の濃度が変動し易い、このような性質
を有する過酸化水素水の濃度管理を正確に行なうには、
濃度測定を頻繁に行なう必要があり、従来は比重計を用
いて過酸化水素水の濃度測定が行なわれていた。By the way, hydrogen peroxide is easily decomposed due to its nature, and
When heated and used, the concentration increases due to evaporation of water and the concentration of hydrogen peroxide tends to fluctuate.In order to accurately manage the concentration of hydrogen peroxide, which has such properties,
It is necessary to measure the concentration frequently, and conventionally, the concentration of hydrogen peroxide solution has been measured using a hydrometer.
しかし、比重計は精密なガラス器具のため、測定の条件
、方法が煩雑であり、また比重計が破損し易いという問
題かある。However, since the hydrometer is a precision glass instrument, the measurement conditions and methods are complicated, and the hydrometer is easily damaged.
このため、過酸化水素水の濃度測定を無菌充填等の現場
で簡単に行なうことのできる濃度測定方法の開発が望ま
れていた。Therefore, it has been desired to develop a method for measuring the concentration of hydrogen peroxide solution that can be easily carried out on-site, such as during aseptic filling.
本発明は上記の問題点を解決し、容易かつ正確に過酸化
水素水の濃度を測定する方法を提供することを目自勺と
する。The present invention aims to solve the above problems and provide a method for easily and accurately measuring the concentration of hydrogen peroxide solution.
本発明は過酸化水素水濃度と光屈折式の糖度計における
糖度（Ｂｒｉｘ％）との関係を示す検量線を予め求めて
おき、濃度未知の過酸化水素水を前記糖度計により測定
して糖度（Ｂｒｉｘ％ンを求め、この測定糖度と前記検
量線より過酸化水素水の濃度を求めるような構成とした
。In the present invention, a calibration curve showing the relationship between the concentration of hydrogen peroxide solution and the sugar content (Brix%) in a photorefraction type sugar content meter is obtained in advance, and hydrogen peroxide solution of unknown concentration is measured with the sugar content meter to determine the sugar content. (The Brix% was determined, and the concentration of the hydrogen peroxide solution was determined from the measured sugar content and the calibration curve.
濃度未知の過酸化水素水について光屈折式の糖度計を用
いて糖度（Ｂｒｉｘ％）を測定し、この測定糖度と、予
め求めておいた過酸化水素水濃度と糖度（Ｂｒｉｘ％）
との検量線より過酸化水素水の濃度を容易かつ正確に得
ることができる。Measure the sugar content (Brix%) of a hydrogen peroxide solution of unknown concentration using a photorefraction type sugar content meter, and compare this measured sugar content with the hydrogen peroxide solution concentration and sugar content (Brix%) determined in advance.
The concentration of hydrogen peroxide solution can be easily and accurately obtained from the calibration curve.
以下、図面を参照して本発明の一実施例について説明す
る。An embodiment of the present invention will be described below with reference to the drawings.
第１図は光屈折式の糖度計の糖度（Ｂｒｉｘ％）と過酸
化水素水濃度との相関を示す検量線である上記の光屈折
式の糖度計は個々の物質が固有の屈折率を有しており、
この屈折率と糖度（Ｂｒｉｘ％）との間の一定の関係式
を基に試料溶液の屈折率を糖度（Ｂｒｌｘ％）に変換し
て表示するものである。ここで、糖度（Ｂｒｉｘ％）表
示はショ糖水溶液の重量７重１パーセントを示すもので
、例えば１００ｇのショ糖水溶液の中に１０ｇのショ糖
が溶けている場合、糖度（Ｂｒｉｘ％）は１０（Ｂｒｉ
ｘ％）となる０本発明は、この糖度（Ｂｒｉｘ％）と過
酸化水素水濃度との間に第１図に示される比例関係が存
在することに着目してなされたものである。すなわち、
第１図は、Ｘ軸に過酸化水素水濃度（％）をとりｙ軸に
糖度（Ｂｒｉｘ％）をとった場合、両者の間に低濃度か
ら高濃度に至るまで下記の式の比例関係が存在すること
を示している。Figure 1 is a calibration curve showing the correlation between the sugar content (Brix%) of a photorefraction type saccharimeter and the hydrogen peroxide concentration. and
The refractive index of the sample solution is converted into sugar content (Brlx%) and displayed based on a certain relational expression between the refractive index and sugar content (Brix%). Here, the sugar content (Brix%) indicates the weight of the sucrose aqueous solution at 7% by weight. For example, if 10g of sucrose is dissolved in 100g of sucrose aqueous solution, the sugar content (Brix%) is 10%. (Bri
The present invention was made by focusing on the fact that there is a proportional relationship between the sugar content (Brix%) and the hydrogen peroxide concentration as shown in FIG. That is,
In Figure 1, when the x-axis is the hydrogen peroxide concentration (%) and the y-axis is the sugar content (Brix%), there is a proportional relationship between the two from the low concentration to the high concentration as shown in the equation below. It shows that it exists.
ｙ＝０．４４ｘ＋０．３
上述のように溶液の屈折率と糖度（Ｂｒｉｘ％）とが一
定の関係を有し、また、糖度（Ｂｒｉｘ％）と過酸化水
素水濃度とが上記の関係を有することにより、過酸化水
素水の屈折率を糖度計で糖度（Ｂｒｉｘ％）表示し、こ
の糖度（Ｂｒｉｘ％）から第１図に基づき過酸化水素水
濃度を得ることかできる。y=0.44x+0.3 As mentioned above, the refractive index of the solution and the sugar content (Brix%) have a certain relationship, and the sugar content (Brix%) and the hydrogen peroxide concentration have the above relationship. By doing this, the refractive index of the hydrogen peroxide solution can be displayed as sugar content (Brix%) using a sugar refractometer, and the hydrogen peroxide solution concentration can be obtained from this sugar content (Brix%) based on FIG.
なお、上記の式は溶液温度が２０℃における過酸化水素
水濃度［ｘ）と糖度（ｙ］との関係を示すものである。The above equation shows the relationship between the hydrogen peroxide concentration [x] and the sugar content (y) at a solution temperature of 20°C.
このため、溶液濃度が２０’Ｃ以外の場合には、糖度計
が表示する糖度（Ｂｒｉｘ％）を２０℃における糖度（
Ｂｒ ｉ ｘ％）に換算した後、上記の式に基づく第１
図の検量線から過酸化水素水濃度を求めなければならな
い。Therefore, when the solution concentration is other than 20'C, the sugar content (Brix%) displayed by the sugar meter should be changed to the sugar content (Brix%) at 20°C.
After converting to Br i x%), the first
The hydrogen peroxide concentration must be determined from the calibration curve shown in the figure.
また、糖度計の目盛を第１図に基づいて糖度（Ｂｒｉｘ
％）表示から過酸化水素水濃度表示に変更しておくこと
により、糖度計の目盛から過酸化水素水濃度を直読する
ことが可能となる。Also, adjust the scale of the sugar meter based on the sugar content (Brix
By changing the display from %) to the hydrogen peroxide concentration display, it becomes possible to directly read the hydrogen peroxide concentration from the scale of the saccharimeter.
第２図は、過酸化水素水濃度の測定に本発明の方法を適
用した場合の一実施例を示す。FIG. 2 shows an example in which the method of the present invention is applied to the measurement of the concentration of hydrogen peroxide solution.
第２図において、貯蔵タンクｌに貯蔵されている過酸化
水素水２は採取器３により濃度測定必要量が採取され、
次に糖度計４にて粘度（Ｂｒｉｘ％）が測定され、表１
に示される検量線から過酸化水素水２の濃度が簡単に得
られる。また、本発明によれば連続的に測定できる糖度
計４を用いることにより、過酸化水素水濃度の連続測定
が可能となり、このデータに基づき過酸化水素水濃度を
自動制御することもできる。In FIG. 2, a hydrogen peroxide solution 2 stored in a storage tank 1 is collected in a required amount for concentration measurement by a sampler 3.
Next, the viscosity (Brix%) was measured using a sugar content meter 4, and Table 1
The concentration of hydrogen peroxide solution 2 can be easily obtained from the calibration curve shown in . Further, according to the present invention, by using the sugar content meter 4 that can continuously measure the concentration of hydrogen peroxide, it is possible to continuously measure the concentration of hydrogen peroxide, and the concentration of hydrogen peroxide can be automatically controlled based on this data.
本発明の過酸化水素水の濃度測定方法によれば、きわめ
て容易かつ正確に過酸化水素水の濃度を測定することか
てできる。According to the method for measuring the concentration of hydrogen peroxide solution of the present invention, the concentration of hydrogen peroxide solution can be measured extremely easily and accurately.
また、測定に要する過酸化水素水の量も微量でよく、さ
らに、連続測定も可能となり、過酸化水素水濃度の自動
制御への応用もできる。Further, the amount of hydrogen peroxide required for measurement may be small, and furthermore, continuous measurement is possible, and the method can be applied to automatic control of the concentration of hydrogen peroxide.
第１図は本発明において用いる過酸化水素水濃度と糖度
（Ｂｒｉｘ％）との相関を示す検量線、第２図は過酸化
水素水の濃度測定に本発明を用いた場合の一実施例を示
す図面である。
１・・・貯蔵タンク、２・・・過酸化水素水、３・・・
採取器、４・・・糖度計。
出願人代理人 石 川 泰 力筒 ２ 図Figure 1 shows a calibration curve showing the correlation between the concentration of hydrogen peroxide solution and sugar content (Brix%) used in the present invention, and Figure 2 shows an example of the case where the present invention is used to measure the concentration of hydrogen peroxide solution. FIG. 1...Storage tank, 2...Hydrogen peroxide solution, 3...
Sampler, 4... Brix meter. Applicant's representative Yasushi Ishikawa Rikitsutsu 2 Figure
Claims (1)
（Ｂｒｉｘ％）との関係を示す検量線を予め求めておき
、濃度未知の過酸化水素水を前記糖度計により測定して
糖度（Ｂｒｉｘ％）を求め、この測定糖度と前記検量線
より過酸化水素水の濃度を求めることを特徴とする過酸
化水素水の濃度測定方法。 ２、糖度をｙとし、過酸化水素水濃度をｘとした場合に
、過酸化水素水の温度が２０℃の時にｙ＝０．４４ｘ＋
０．３の関係を備え、この関係式より過酸化水素水の濃
度を求めることを特徴とする特許請求範囲第１項記載の
過酸化水素水の濃度測定方法。[Claims] 1. A calibration curve showing the relationship between the concentration of hydrogen peroxide and the sugar content (Brix%) in a photorefraction type sugar meter is determined in advance, and a hydrogen peroxide solution of unknown concentration is added to the sugar content meter. A method for measuring the concentration of hydrogen peroxide, comprising: determining the sugar content (Brix%) by measuring the sugar content, and determining the concentration of hydrogen peroxide from the measured sugar content and the calibration curve. 2. When the sugar content is y and the concentration of hydrogen peroxide is x, when the temperature of hydrogen peroxide is 20℃, y=0.44x+
The method for measuring the concentration of hydrogen peroxide according to claim 1, characterized in that the concentration of hydrogen peroxide is determined from the relation of 0.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62316083A JP2609457B2 (en) | 1987-12-16 | 1987-12-16 | Hydrogen peroxide concentration measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62316083A JP2609457B2 (en) | 1987-12-16 | 1987-12-16 | Hydrogen peroxide concentration measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01158332A true JPH01158332A (en) | 1989-06-21 |
| JP2609457B2 JP2609457B2 (en) | 1997-05-14 |
Family
ID=18073063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62316083A Expired - Fee Related JP2609457B2 (en) | 1987-12-16 | 1987-12-16 | Hydrogen peroxide concentration measurement method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2609457B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189063A (en) * | 1981-04-19 | 1982-11-20 | Tadashi Enatsu | Presuming method for concentration of bod, cod and ss applying absorbance and constant turbidity refractive index |
| JPS6239431A (en) * | 1985-08-01 | 1987-02-20 | 雪印乳業株式会社 | Method and device for automatically measuring and controlling concentration of hydrogen peroxide in sterile filler |
-
1987
- 1987-12-16 JP JP62316083A patent/JP2609457B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189063A (en) * | 1981-04-19 | 1982-11-20 | Tadashi Enatsu | Presuming method for concentration of bod, cod and ss applying absorbance and constant turbidity refractive index |
| JPS6239431A (en) * | 1985-08-01 | 1987-02-20 | 雪印乳業株式会社 | Method and device for automatically measuring and controlling concentration of hydrogen peroxide in sterile filler |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2609457B2 (en) | 1997-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |