JPS5965763A - Measuring method of average concentration of carbon monoxide - Google Patents
Measuring method of average concentration of carbon monoxideInfo
- Publication number
- JPS5965763A JPS5965763A JP57176363A JP17636382A JPS5965763A JP S5965763 A JPS5965763 A JP S5965763A JP 57176363 A JP57176363 A JP 57176363A JP 17636382 A JP17636382 A JP 17636382A JP S5965763 A JPS5965763 A JP S5965763A
- Authority
- JP
- Japan
- Prior art keywords
- carbon monoxide
- length
- concn
- atmosphere
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating 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
- G01N31/223—Investigating 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 investigating presence of specific gases or aerosols
- G01N31/224—Investigating 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 investigating presence of specific gases or aerosols for investigating presence of dangerous gases
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Toxicology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Description
【発明の詳細な説明】
本発明−酸化炭素の平均濃度測定方法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for measuring the average concentration of carbon oxide.
一酸化炭素は、天然ガス、都市ガス、プロパンガス等の
気体燃料、重油、石油等の液体燃料、石炭、燻炭等の固
体燃料の燃焼に伴なって生成し、特に酸素の供給量が不
足するとその生成が顕著になる。Carbon monoxide is generated during the combustion of gaseous fuels such as natural gas, city gas, and propane gas, liquid fuels such as heavy oil and petroleum, and solid fuels such as coal and smoky charcoal, especially when the supply of oxygen is insufficient. Then, its formation becomes noticeable.
各種会社の事務室、作業室、工場の作業室の作檗環境を
維持し、また住宅内の居住空間の環境を維持する上で、
大気中の一酸化炭素の濃度を測定することが不可欠なも
のとされる。In maintaining the environment of the offices, work rooms of various companies, work rooms of factories, and living spaces in houses,
It is essential to measure the concentration of carbon monoxide in the atmosphere.
従来かかる一酸化炭素の濃度を測定する手段として、浦
紙やシリカゲル等に塩化パラジウム溶液等を含浸させた
ものが一酸化炭素により変色せしめられることを利用し
た一酸化炭素密度の測定手段が知られている。Conventionally, as a means for measuring the concentration of carbon monoxide, there has been known a method for measuring the density of carbon monoxide, which utilizes the fact that paper or silica gel impregnated with a palladium chloride solution is discolored by carbon monoxide. ing.
しかしながら、かかる測定手段はその測定すべき大気中
の湿度の彩管を受は易く、測定した一酸化炭素密度に誤
差が生じる欠点を有していた。However, such a measuring means has the disadvantage that it is easily influenced by the humidity in the atmosphere to be measured, resulting in an error in the measured carbon monoxide density.
また−酸化炭素の検出感喰の調節は、滓紙、シリカゲル
等への塩化パラジウム溶液等の含？ｊｔｌに依存するた
め、その調節範囲に限界があるとともに一酸化炭素の濃
度を長時間にわたって測定することは不可能であった。In addition, the sensitivity for detecting carbon oxide can be adjusted by adding a palladium chloride solution to paper scraps, silica gel, etc. Since it depends on jtl, there is a limit to its adjustment range and it has been impossible to measure the concentration of carbon monoxide over a long period of time.
本発明は上述した従来の検出手段の欠点に鑑み、−酸化
炭素の長時間にわたる平均的な′ＩＡ度を正確かつ迅速
に測定し、作桑環境、居住環境の維持に役立ち得る一酸
化炭素の平均１１１度測定方法の提供を目的とするもの
である。かかる本発明の目的は一方の端部を開放させた
透明な管体内に通気性隔壁を介して配置した一酸化炭素
と接触して変色せしめられる検知剤を、大気中に所定時
間放置して大気中の一酸化炭素１１１ｍに対応させて変
色せしめ、その変色層の長さを予め既知濃度の一酸化炭
素を用いて作成した測定時間と変色層長さの相関関係を
示す検量線により測定することを特徴としてなる一酸化
炭素の平均ｌＩ痩測測定方法より達成される。In view of the above-mentioned shortcomings of the conventional detection means, the present invention is designed to: - Accurately and quickly measure the average degree of IA of carbon oxide over a long period of time, and detect carbon monoxide, which can be useful for maintaining the mulberry cultivation environment and living environment; The purpose is to provide a method for measuring an average of 111 degrees. The object of the present invention is to place a detecting agent that changes color when it comes into contact with carbon monoxide, which is placed in a transparent tube with one end open through a breathable partition wall, and to leave it in the atmosphere for a predetermined period of time. The length of the discolored layer is measured using a calibration curve that shows the correlation between the measurement time and the length of the discolored layer, which was created in advance using carbon monoxide at a known concentration. This is achieved by a carbon monoxide average lI measurement method characterized by:
以下に本発明方法の一実施例を図面を参照して説明する
。An embodiment of the method of the present invention will be described below with reference to the drawings.
第１図は、本発明に用いられる一酸化炭素検知管１を示
すものである。FIG. 1 shows a carbon monoxide detection tube 1 used in the present invention.
一酸化炭素検知管１は、一端が開口された透明な管体２
の内部に、塩化パラジウム、硫酸パラジウム、亜硫酸パ
ラジウムカリウム等のパラジウム塩溶液をシリカゲルな
どに吸着乾燥してなる検知剤３を収容Ｊるとともに、そ
の検知剤３の両側に綿、多孔質プラスナック、ポーラス
セラミックス、金網等からなる通気性隔壁４ａ、４１）
を配ＰｊＪることにより構成している。Carbon monoxide detection tube 1 has a transparent tube body 2 with one end open.
A detection agent 3 made by adsorbing and drying a solution of palladium salts such as palladium chloride, palladium sulfate, palladium potassium sulfite, etc. on silica gel is housed inside, and on both sides of the detection agent 3, cotton, porous plastic snacks, Breathable partition walls 4a, 41) made of porous ceramics, wire mesh, etc.
It is constructed by distributing PjJ.
第２図は本発明に用いる検量ｎ５を示すグラフである。FIG. 2 is a graph showing the calibration n5 used in the present invention.
検％ ｎ５の作成について説明すると、横軸に時間目盛
【を、縦軸に変色層の長さノをとり、予め濃度が判明し
ている雰囲気中にさらして一定時間毎に変色層の長さを
測定し、その測定した時間と、変色層の長さに対応づる
点を座標上に描き、このようにして描いた点を順次結ん
で検量ｎ５となすものである。To explain the creation of %n5, the horizontal axis is the time scale, the vertical axis is the length of the discolored layer, and the length of the discolored layer is measured at regular intervals when exposed to an atmosphere whose concentration is known in advance. is measured, points corresponding to the measured time and the length of the discolored layer are drawn on the coordinates, and the thus drawn points are successively connected to form the calibration n5.
したがって第２図に示すように異なる濃度の多数の検４
ＩＩｉ１５を同一座標上に描くことができるものである
。Therefore, as shown in Figure 2, a large number of tests with different concentrations are performed.
IIi15 can be drawn on the same coordinates.
而して、第１図に示す検知剤３の全長！Ｏを縦軸上に明
示するとともに、各検量線５にも一酸化炭素の濃度（既
知）を示す数字を付しておくものである。Therefore, the total length of the detection agent 3 shown in Fig. 1! O is clearly indicated on the vertical axis, and a number indicating the concentration (known) of carbon monoxide is also attached to each calibration curve 5.
この場合、第２図に示づ実施例においては、横軸の１２
時間目盛と各検量線５との交叉する点にそれぞそれその
濃度に対応する数字を表示し、同じく２４時間目盛と各
検量線５との交叉する点にそれぞれその濃度を表示する
数字を表示した場合を示す。In this case, in the embodiment shown in FIG.
A number corresponding to the concentration is displayed at each point where the time scale intersects with each calibration curve 5, and a number representing the concentration is displayed at each point where the 24-hour scale and each calibration curve 5 intersect. Indicates the case where
次に、−酸化炭素検知管１を事務室、作業室、居室その
他−酸化炭素を測定すべき雰囲気中に所定時間、例えば
１０時間放Ｗ１する。１０時間後、−酸化炭素検知管１
を座標上の１０時間目盛にあてがい、検知剤３の変色層
の長さノｌを測定する。Next, the carbon oxide detection tube 1 is exposed to an atmosphere in which carbon oxide is to be measured, such as in an office, work room, living room, etc., for a predetermined period of time, for example, 10 hours. After 10 hours - carbon oxide detector tube 1
is applied to the 10-hour scale on the coordinates, and the length of the discolored layer of the detection agent 3 is measured.
ノ１＝２０１１１１１とすればこのときの一酸化炭素の
濃度は１００ ｐｐＩｌｌであると判明する。If 1=2011111, it turns out that the concentration of carbon monoxide in this case is 100 ppIll.
したがって、この閘喰は検知剤３を１０時間雰囲気中に
放置した結果であるから、この１０時間中の平均ａ度は
１００１）ｌ）Ｉであると判明する。Therefore, since this blockage is the result of leaving the detection agent 3 in the atmosphere for 10 hours, it is determined that the average a degree during these 10 hours is 1001)l)I.
同様に一酸化炭素検知管１を雰囲気中に２４時間放置し
、２４時間目盛にあてがって測定した変色ｗａｃｏｒ＝
サノ２ カ、−、ｅ２＝３３１１１ｍ、！：ｔｔＬハ、
コノときの１４度は２００ ＋）Ｉ）ＩＩｌとなり、こ
の時間中の平均濃度は２００１）Ｉ）Ｉｌｌであると判
明する。Similarly, the carbon monoxide detection tube 1 was left in the atmosphere for 24 hours, and the color change wacor was measured by applying it to the 24-hour scale.
Sano2 Ka, -, e2=33111m,! :ttLha,
14 degrees at this time becomes 200 +) I) IIl, and the average concentration during this time is found to be 2001) I) Ill.
尚、上述した実施例においては、検１１ｓ５を表示する
グラフの横軸を時間毎の目盛とし、縦軸をｌ１ｌ１１１
目盛とした場合について説明したが、これに限定される
ものでなり、機軸に分目盛を採用しても同様な検量線を
描くことができるものである。また検知剤３の長さ一１
ｏも任意に選定し榎ることはいうまでもない。In the above-mentioned embodiment, the horizontal axis of the graph displaying test 11s5 is a time scale, and the vertical axis is l1l111.
Although the case where a scale is used has been described, it is not limited to this, and a similar calibration curve can be drawn even if a minute scale is adopted as the axis. Also, the length of the detection agent 3 is 1
It goes without saying that o can also be selected arbitrarily.
以上の説明から明らかなように本発明は、−ＮＭ化炭素
と接触して変色せしめられる検知剤を収容したーー化炭
素検゛知管を測定すべき雰囲気中に所定時間放置し、そ
の検知剤の変色層の長さを予め既知哨度の一酸化炭素に
より作成した検量線にあてがってその所定峙間軽過後の
一酸化炭素の累積的濃度を測定し、ぞの累積的濃度から
平均濃度を検出するようにしたものである。As is clear from the above description, the present invention provides a carbon detector tube containing a detecting agent that changes color when it comes into contact with NM carbon. Measure the cumulative concentration of carbon monoxide after a predetermined period of light by applying the length of the discolored layer to a calibration curve prepared in advance using carbon monoxide at a known concentration, and calculate the average concentration from the cumulative concentration. It is designed to be detected.
したがって、８稈の事務室、工場の作業室さらには外気
に而した学校の校庭等任意の場所で、大気中の一酸化炭
素検知管を容易かつ速やかに検出することが可能となっ
たものである。Therefore, it has become possible to easily and quickly detect carbon monoxide detector tubes in the atmosphere in any location, such as an 8-culm office, a factory work room, or even a school playground with outside air. be.
第１図は本発明に用いる一酸化炭素検知管の−実施例の
縦断面図、第２図は本発明方法に、用いる検ＭＩ９！を
表示したグラフである。
１・・・・・・−酸化炭素検知管、２・・・・・・管体
、３・・・・・・検知剤、４ａ、４ｂ・・・・・・通気
性隔壁、５・・・・・・検量線。
特許出願人 株式会社ガステツクFIG. 1 is a longitudinal sectional view of an embodiment of the carbon monoxide detection tube used in the present invention, and FIG. 2 is a longitudinal cross-sectional view of an embodiment of the carbon monoxide detection tube used in the present invention. This is a graph displaying. DESCRIPTION OF SYMBOLS 1...-carbon oxide detection tube, 2... tube body, 3... detection agent, 4a, 4b... breathable partition, 5... ...Calibration curve. Patent applicant GASTEC Co., Ltd.
Claims (1)
壁を介して配置した一酸化炭素と接触して変色せしめら
れる検知剤を、大気中に所定時間放置して大気中の一酸
化炭素密度に対応させて変色せしめ、その変色層の長さ
を予め既知濃度の一酸化炭素を用いて作成した測定時間
と変色層長さの相間関係を示す検量線により測定するこ
とを特徴としてなる一酸化炭素の平均ｌＩ痕測測定方法(1) A detection agent that changes color when it comes into contact with carbon monoxide is placed in a transparent tube with one end open through a breathable partition, and is left in the atmosphere for a predetermined period of time to absorb the air. The method is characterized in that the color changes in accordance with the carbon oxide density, and the length of the color change layer is measured using a calibration curve that is created in advance using carbon monoxide at a known concentration and shows the correlation between the measurement time and the length of the color change layer. Method for measuring average lI traces of carbon monoxide
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57176363A JPS5965763A (en) | 1982-10-08 | 1982-10-08 | Measuring method of average concentration of carbon monoxide |
| KR1019820004914A KR840002523A (en) | 1982-10-08 | 1982-11-01 | How to measure the average concentration of carbon monoxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57176363A JPS5965763A (en) | 1982-10-08 | 1982-10-08 | Measuring method of average concentration of carbon monoxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5965763A true JPS5965763A (en) | 1984-04-14 |
Family
ID=16012299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57176363A Pending JPS5965763A (en) | 1982-10-08 | 1982-10-08 | Measuring method of average concentration of carbon monoxide |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5965763A (en) |
| KR (1) | KR840002523A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130767A (en) * | 1984-07-24 | 1986-02-13 | Tokyo Gas Co Ltd | Measurement for concentration of ethyleneglycol |
| US5508064A (en) * | 1992-12-17 | 1996-04-16 | Fuji Photo Films Co., Ltd. | Method for matting a recording material and atomizing device therefor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826988B1 (en) * | 1970-02-06 | 1973-08-17 |
-
1982
- 1982-10-08 JP JP57176363A patent/JPS5965763A/en active Pending
- 1982-11-01 KR KR1019820004914A patent/KR840002523A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826988B1 (en) * | 1970-02-06 | 1973-08-17 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130767A (en) * | 1984-07-24 | 1986-02-13 | Tokyo Gas Co Ltd | Measurement for concentration of ethyleneglycol |
| US5508064A (en) * | 1992-12-17 | 1996-04-16 | Fuji Photo Films Co., Ltd. | Method for matting a recording material and atomizing device therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR840002523A (en) | 1984-07-21 |
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