JPS60178351A - Peroxide detection paper - Google Patents

Peroxide detection paper

Info

Publication number
JPS60178351A
JPS60178351A JP3389184A JP3389184A JPS60178351A JP S60178351 A JPS60178351 A JP S60178351A JP 3389184 A JP3389184 A JP 3389184A JP 3389184 A JP3389184 A JP 3389184A JP S60178351 A JPS60178351 A JP S60178351A
Authority
JP
Japan
Prior art keywords
peroxide
paper
ferrous
gasoline
thiocyanate
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
Application number
JP3389184A
Other languages
Japanese (ja)
Inventor
Yoshimi Miyazaki
宮崎 好美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP3389184A priority Critical patent/JPS60178351A/en
Publication of JPS60178351A publication Critical patent/JPS60178351A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/228Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

PURPOSE:To make it possible to simply confirm the formation of peroxide in gasoline, by coating the surface of a small test piece, to which ferrous thiocyanate is imparted, with an inert org. substance soluble in fuel oil. CONSTITUTION:Predetermined test paper is impregnated with an aqueous solution of ferrous thiocyanate and, after rapid drying in vacuum, the surface of the impregnated paper is coated with an inert org. substance insoluble in gasoline such as paraffin wax with a m.p. of 50-70 deg.C. By this method, the presence of peroxide is detected on the basis of ferric thiocyanate formed through the reaction of a ferrous ion with peroxide.

Description

【発明の詳細な説明】 〔産業上の利用分野1 本発明は自動車燃料、特にカンリン中に存在する過酸化
物を確認するための検知用試験紙に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a detection test strip for confirming the presence of peroxides in automobile fuel, particularly in kanrin.

〔従来技術1 ガソリン特に分解ガンリンは不飽和成分や芳香族成分に
富み、安定性が悲くタンク内に舟期間貯絨するとゴム質
才たけ樹脂状物質を析出し。
[Prior art 1] Gasoline, especially decomposed gasoline, is rich in unsaturated components and aromatic components, and is unstable and precipitates a rubbery, resinous substance when stored in a tank for a period of time.

これらが油清、1過択、吸入9Pなどに沈着し推種の不
具合を生ずる。このような所謂劣化ガソリン中には空気
酸化等が妨因となって生成するヒドロペルオキシド(R
COU)l ) 等の過酸化物も蓄積し、燃料ホースな
どのゴム部品の劣化が促進される。従って過酸化物の生
成をすみやかに検知できれば、過酸化物分解剤を添加し
て分解せしめる等の対策がとれるばかりでなく、ガンリ
ンの劣化状況を知シ得ること\なって管理上有益となる
These are deposited in oil serum, 1st choice, inhalation 9P, etc., and cause problems with the product. In such so-called degraded gasoline, hydroperoxide (R
Peroxides such as COU)l) also accumulate, accelerating the deterioration of rubber parts such as fuel hoses. Therefore, if the production of peroxide can be detected promptly, it will not only be possible to take measures such as adding a peroxide decomposer to decompose it, but also to be able to know the state of deterioration of the peroxide, which will be beneficial for management.

しかるに従来はこのような過酸化物の生成を簡単に確認
できる検知手段または検知紙がなく不具合を生じていた
However, in the past, there was no detecting means or detecting paper that could easily confirm the formation of such peroxides, leading to problems.

〔発明の目的〕[Purpose of the invention]

本発明は上記の問題を解決し、ガソリン中に過酸化物が
生成しているか否かを簡単に確認できることができる試
験紙の提供を目的とするものである。
The present invention aims to solve the above-mentioned problems and provide a test strip that can easily confirm whether or not peroxide is generated in gasoline.

〔発明の構成〕[Structure of the invention]

すなわち本発明の過酸化物検知紙はチオシアン酸第−鉄
を付与した小試片の表面をガソリンに可溶な不活性有機
物で被覆してなることを特徴とするものである。
That is, the peroxide detection paper of the present invention is characterized in that the surface of a small sample to which ferrous thiocyanate has been applied is coated with an inert organic substance soluble in gasoline.

チオシアン酸第−鉄は水に容易にとけて緑色の溶液とな
る。溶液中の第一鉄イオン(Fe)が過酸化物と反応し
て第二鉄イオン(Fe)に酸化されると赤褐色の千オシ
アン酸第二鉄が生成することは知られており、本発明は
この反応を利用したものであるが、第一鉄イオン(Fe
)の第二鉄イオン(FC+1+)への酸化は空気中の酸
素によっても進行するものであるから、そして紙の上で
乾燥した後においても同様に空気中の酸素によって酸化
されるものであるから、紙の上に付与した後は空気と遮
断しておく必要がある。
Ferrous thiocyanate easily dissolves in water to form a green solution. It is known that when ferrous ions (Fe) in a solution react with peroxide and are oxidized to ferric ions (Fe), reddish-brown ferric ocyanate is produced. utilizes this reaction, but ferrous ion (Fe
) to ferric ions (FC+1+) is also oxidized by oxygen in the air, and even after drying on paper, it is oxidized by oxygen in the air as well. After being applied to the paper, it must be isolated from air.

そこで本発明においてはチオシアン酸第−鉄の水溶液に
含浸した後すみやかに窒素気流中または真空中で乾燥し
、さらに紙の表面をガソリンに可溶な不活性有機物例え
ば固形パラフィンで覆い空気と遮断しておく必要がある
、チオンアン酸第−鉄全紙に伺与するには上記の如く水
溶液の形で付与するのが一般的であるが、接着剤を塗布
した紙の表面にチオンアン酸第−鉄の微粉末を均一に塗
布すれは、乾燥工程が不要となる。
Therefore, in the present invention, after being impregnated with an aqueous solution of ferrous thiocyanate, the paper is immediately dried in a nitrogen stream or in a vacuum, and the surface of the paper is further covered with an inert organic substance soluble in gasoline, such as solid paraffin, to block it from air. In order to apply ferrous thionate to whole paper, it is generally applied in the form of an aqueous solution as described above. If the fine powder is applied uniformly, there is no need for a drying process.

なお被粉剤としてはパラフィン特に融点が50ないし7
0℃のパラフィン・ワックスが好ましい。
In addition, as a dusting agent, paraffin, especially one with a melting point of 50 to 7
Paraffin wax at 0°C is preferred.

このものはガンリン等に溶けやすく、かつ紙の表面を薄
く被怪できるからでおる。以下、本発明をさらに実砲例
について峻、明する。
This material dissolves easily in ganlin, etc., and can coat the surface of the paper in a thin layer. The present invention will be further explained below with reference to actual gun examples.

〔実施例〕〔Example〕

チオシアン酸第−鉄の5%水溶液を調製し、その溶液中
に縦10m、横10mの1紙を含浸したのち直ちに窒素
気流中で110℃で30分乾燥した。乾燥後の子オシア
ン酸第−鉄の伺着量は紙の面積に対して0.5〜311
9 /c4であった。次にこの含浸紙を溶融パラフィン
ワックス中に’[漬し表面ヲハラフィンで被覆した。パ
ラフィンの付着量は50〜200 nrg/rs’iで
あった。
A 5% aqueous solution of ferrous thiocyanate was prepared, and a piece of paper measuring 10 m long and 10 m wide was impregnated in the solution and immediately dried at 110° C. for 30 minutes in a nitrogen stream. The adhesion amount of ferric ocyanate after drying is 0.5 to 311% based on the area of paper.
It was 9/c4. The impregnated paper was then immersed in molten paraffin wax to coat the surface with halafin. The amount of paraffin deposited was 50 to 200 nrg/rs'i.

このようにして調製した検知紙f 100 pprnの
過酸化物(25ジメチルヘキサン25シバイドロバ−オ
キサイド)を含有するガソリン中に浸漬したところ、パ
ラフィンの溶解がす\むとともにパラフィン層を通して
ガンリンが検知紙にvbし、約3分で赤色に発色した。
When the detection paper prepared in this manner was immersed in gasoline containing 100 pprn of peroxide (25 dimethylhexane and 25% oxide), as the paraffin dissolved, gunlin was transferred to the detection paper through the paraffin layer. The color developed into red in about 3 minutes.

〔発明の効果1 上記の如く本発明はチオンアン酸第−鉄の発色反応を利
用したものであり、該発色反応に影響ヲ及ぼすものでな
け)1ばガンリン以外の燃料油にも適用可能である。ま
たチオシアン酸第−鉄の付着fit (7)?J7J整
1発色の濃淡度の判別等により過te21ヒ物の含有量
を定量することも可能であシ、劣化度の指(尭とするこ
とにより貯蔵管理上の効果が太きい。
[Effect of the invention 1 As mentioned above, the present invention utilizes the coloring reaction of ferrous thionanate, and does not affect the coloring reaction.] 1) It is applicable to fuel oils other than Ganrin. . Also, adhesion of ferrous thiocyanate (7)? It is also possible to quantify the content of overlying materials by determining the lightness and lightness of the J7J color, and the effect on storage management is greater by determining the degree of deterioration.

Claims (1)

【特許請求の範囲】[Claims] チオシアンrfI第一鉄を付与した小試片の表面を燃料
油に可溶な不活性有機物で被覆してなること。を特徴と
する過酸化物検知紙。
The surface of a small specimen to which ferrous thiocyanate rfI has been applied is coated with an inert organic substance soluble in fuel oil. A peroxide detection paper featuring:
JP3389184A 1984-02-24 1984-02-24 Peroxide detection paper Pending JPS60178351A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3389184A JPS60178351A (en) 1984-02-24 1984-02-24 Peroxide detection paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3389184A JPS60178351A (en) 1984-02-24 1984-02-24 Peroxide detection paper

Publications (1)

Publication Number Publication Date
JPS60178351A true JPS60178351A (en) 1985-09-12

Family

ID=12399153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3389184A Pending JPS60178351A (en) 1984-02-24 1984-02-24 Peroxide detection paper

Country Status (1)

Country Link
JP (1) JPS60178351A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1036615C (en) * 1994-04-27 1997-12-03 北京市食品工业研究所 Indicator paper for detecting peroxide content of edible oil and oil-bearing food and its prepn. method
EP1111382A1 (en) * 1999-12-23 2001-06-27 Tecumseh Products Company Gasoline test kit
JP2010520455A (en) * 2007-02-28 2010-06-10 ザ ルブリゾル コーポレイション Analysis of functional fluids using redox indicators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1036615C (en) * 1994-04-27 1997-12-03 北京市食品工业研究所 Indicator paper for detecting peroxide content of edible oil and oil-bearing food and its prepn. method
EP1111382A1 (en) * 1999-12-23 2001-06-27 Tecumseh Products Company Gasoline test kit
JP2010520455A (en) * 2007-02-28 2010-06-10 ザ ルブリゾル コーポレイション Analysis of functional fluids using redox indicators

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