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產(chǎn)品詳情
簡單介紹：
甲酸HCOOH氣體檢測管216S
甲酸HCOOH氣體檢測管216S ，甲酸HCOOH氣體檢測管216S FORMIC ACID 1-50ppm，日本光明理化工業(yè)株式會社從1947年開始，在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測管的歷史
詳情介紹：
甲酸HCOOH氣體檢測管216S
甲酸HCOOH氣體檢測管216S ，甲酸HCOOH氣體檢測管216S FORMIC ACID 1-50ppm，日本光明理化工業(yè)株式會社從1947年開始，在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測管的歷史 。目前是世界上*大的檢測管生產(chǎn)廠家，也是日本**家通過美國SEI的認(rèn)證，歐盟的認(rèn)證的檢測管廠家。公司不僅有ISO9001:2000的認(rèn)證，還獲得了環(huán)境管理的ISO14001的認(rèn)證。北川式手動氣體采集器AP-20 備有采氣完成指示計 , 可以清楚的判明采氣是否完成 . • 有專門截留玻璃的截留槽 , 以防止檢測管割尖時玻璃片飛濺 . • 有采氣容積為 50 毫升和 100 毫升的兩段式制動卡 . • 采氣器極為小巧 , 并有便于攜帶的皮具包 。
Tube No.216S
1. PERFORMANCE
1) Measuring range ：1-50 ppm
Number of pump strokes ：1(100ml)
2) Sampling time ：1 minute/1 pump stroke
3) Detectable limit ：0.1 ppm(100ml)
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(0～20℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Pale pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
HCO2H＋NaOH→HCO2Na＋H2O
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
50
40
30
20
10
5
13
100ml
ppm
216S FORMIC ACID
Substance ppm Interference ppm Coexistence
Sulphur dioxide Similar stain is produced. HCO2Hconc. ×1/20 Higher readings are given.
Nitrogen dioxide 300 〃10 The top of discoloured layer
becomes unclear.
Hydrogen chloridFeIG.1 Pink stain is produced. HCO×2H2conc. Higher readings are given.
Chlorine FIG.2 Bprluoediusche yde. llow stain is 5 〃
Acetic acid Similar stain is produced. 〃
0
60
10
20
30
40
50
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Formic acid indicating value 〔ppm〕
100 200 300
Coexistence
Interference
0
60
10
10
20
20
30
30
40
40
50
50
Chlorine〔ppm〕?
FIG.2 Influence of Chlorine
Formic acid indicating value 〔ppm〕
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20～40℃
(ppm) (32°F) (50°F) (68°F)
50 82 60 50
40 57 45 40
30 36 32 30
20 22 21 20
10 10 10 10
5 5 5 5
2 2 2 2
(NOTE)
This tube scale is calibrated based on Acetic acid and the same scale is available for Formic acid.
1. PERFORMANCE
1) Measuring range ：1-50 ppm
Number of pump strokes ：1(100ml)
2) Sampling time ：1 minute/1 pump stroke
3) Detectable limit ：0.1 ppm(100ml)
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(0～20℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Pale pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
HCO2H＋NaOH→HCO2Na＋H2O
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
50
40
30
20
10
5
13
100ml
ppm
216S FORMIC ACID
Substance ppm Interference ppm Coexistence
Sulphur dioxide Similar stain is produced. HCO2Hconc. ×1/20 Higher readings are given.
Nitrogen dioxide 300 〃10 The top of discoloured layer
becomes unclear.
Hydrogen chloridFeIG.1 Pink stain is produced. HCO×2H2conc. Higher readings are given.
Chlorine FIG.2 Bprluoediusche yde. llow stain is 5 〃
Acetic acid Similar stain is produced. 〃
0
60
10
20
30
40
50
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Formic acid indicating value 〔ppm〕
100 200 300
Coexistence
Interference
0
60
10
10
20
20
30
30
40
40
50
50
Chlorine〔ppm〕?
FIG.2 Influence of Chlorine
Formic acid indicating value 〔ppm〕
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20～40℃
(ppm) (32°F) (50°F) (68°F)
50 82 60 50
40 57 45 40
30 36 32 30
20 22 21 20
10 10 10 10
5 5 5 5
2 2 2 2
(NOTE)
This tube scale is calibrated based on Acetic acid and the same scale is available for Formic acid.