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產(chǎn)品詳情
簡單介紹:
三氯甲烷CHCl3氯仿氣體檢測管152S
三氯甲烷CHCl3氯仿氣體檢測管152S ,三氯甲烷CHCl3氯仿氣體檢測管152S CHLOROFORM 23-500ppm,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。
詳情介紹:
三氯甲烷CHCl3氯仿氣體檢測管152S
三氯甲烷CHCl3氯仿氣體檢測管152S ,三氯甲烷CHCl3氯仿氣體檢測管152S CHLOROFORM 23-500ppm,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.152S
1. PERFORMANCE
1) Measuring range :70-500 ppm 35-250 ppm 23-167 ppm
Number of pump strokes 2(200ml) 3(300ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :20 ppm(400ml)
4) Shelf life :2 years(Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low:20% RSD-mid.:15% RSD-high:15%
3. CHEMICAL REACTION
Chlorine is produced by an Oxidizer.
CrO3+H2SO4→(O)
CHCI3+(O)→CI2+H2O+CO
CI2+C14H16N2→C14H14N2+2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive) (white)
PRETREAT TUBE
500
400
300
200
100
70
152S CHLOROFORM
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
n-Hexane FIG.2 200 Lower readings are given.
(NOTE)
In case of 3 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Temperature corrected value.
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/3×Temperature corrected value.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (50°F) (59°F) (68°F) (95°F) (95°F)
500 - - 500 335 260
400 - 520 400 280 215
300 590 390 300 215 165
200 380 260 200 145 115
100 180 130 100 80 65
70 120 85 70 60 50
0
400
600
200
Toluene〔%〕?
FIG.1 Influence of Toluene
Chloroform indicating value 〔ppm〕
0.1 0.2 0.3 0
400
600
200
n-Hexane〔ppm〕?
FIG.2 Influence of n-Hexane
Chloroform indicating value 〔ppm〕
200 400 600 800
1. PERFORMANCE
1) Measuring range :70-500 ppm 35-250 ppm 23-167 ppm
Number of pump strokes 2(200ml) 3(300ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :20 ppm(400ml)
4) Shelf life :2 years(Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low:20% RSD-mid.:15% RSD-high:15%
3. CHEMICAL REACTION
Chlorine is produced by an Oxidizer.
CrO3+H2SO4→(O)
CHCI3+(O)→CI2+H2O+CO
CI2+C14H16N2→C14H14N2+2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive) (white)
PRETREAT TUBE
500
400
300
200
100
70
152S CHLOROFORM
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
n-Hexane FIG.2 200 Lower readings are given.
(NOTE)
In case of 3 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Temperature corrected value.
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/3×Temperature corrected value.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (50°F) (59°F) (68°F) (95°F) (95°F)
500 - - 500 335 260
400 - 520 400 280 215
300 590 390 300 215 165
200 380 260 200 145 115
100 180 130 100 80 65
70 120 85 70 60 50
0
400
600
200
Toluene〔%〕?
FIG.1 Influence of Toluene
Chloroform indicating value 〔ppm〕
0.1 0.2 0.3 0
400
600
200
n-Hexane〔ppm〕?
FIG.2 Influence of n-Hexane
Chloroform indicating value 〔ppm〕
200 400 600 800