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日本光明理化硅烷SiH4气体检测管240S
日本光明理化硅烷SiH4气体检测管240S ，硅烷SiH4气体检测管240S SILANE 0.5-50ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史
详情介绍：
日本光明理化硅烷SiH4气体检测管240S
日本光明理化硅烷SiH4气体检测管240S ，硅烷SiH4气体检测管240S SILANE 0.5-50ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家，也是日本**家通过美国SEI的认证，欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证，还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
Tube No.240S
1. PERFORMANCE
1) Measuring range ：1-50 ppm 0.5-25 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time ：5 minutes/1 pump stroke
3) Detectable limit ：0.3 ppm(200ml)
4) Shelf life ：1 year (Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary under 20℃(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By reacting with Mercuric chloride, Hydrogen chloride is liberated and PH indicator is discoloured.
SiH4＋HgCI2→HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
50
40
30
20
10
5
2 1 GAS To pump
240S SILANE
Substance Interference ppm Coexistence
Phosphine 2re lda ysetarsin o af rger epyroisdhu wcehdit.e and 20 Higher readings are given.
Arsine 2st alainye arrse o pf rdoadrukc berdo.wn and red 50 〃
Disilane A Similar stain is produced. 2 〃
Diborane 〃20 〃
Ammonia 100 Lower readings are given.
Whole reagent is changed to orange. But
Sulphur dioxide the accuracy of readings are not affected
by Sulphur dioxide if the top of the stained
layer is clear.
IPA Not affected.
Hydrogen 〃
Hydrogen chloride 250 Not affected.
Dichlorosilane 200 〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration＝Temperature corrected value×1/2
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
50 38 45 50
40 30 35 40
30 22 26 30
20 14 17 20
10 7 8 10
5 4 4 5
2 2 2 2
1 1 1 1
1. PERFORMANCE
1) Measuring range ：1-50 ppm 0.5-25 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time ：5 minutes/1 pump stroke
3) Detectable limit ：0.3 ppm(200ml)
4) Shelf life ：1 year (Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary under 20℃(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By reacting with Mercuric chloride, Hydrogen chloride is liberated and PH indicator is discoloured.
SiH4＋HgCI2→HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
50
40
30
20
10
5
2 1 GAS To pump
240S SILANE
Substance Interference ppm Coexistence
Phosphine 2re lda ysetarsin o af rger epyroisdhu wcehdit.e and 20 Higher readings are given.
Arsine 2st alainye arrse o pf rdoadrukc berdo.wn and red 50 〃
Disilane A Similar stain is produced. 2 〃
Diborane 〃20 〃
Ammonia 100 Lower readings are given.
Whole reagent is changed to orange. But
Sulphur dioxide the accuracy of readings are not affected
by Sulphur dioxide if the top of the stained
layer is clear.
IPA Not affected.
Hydrogen 〃
Hydrogen chloride 250 Not affected.
Dichlorosilane 200 〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration＝Temperature corrected value×1/2
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
50 38 45 50
40 30 35 40
30 22 26 30
20 14 17 20
10 7 8 10
5 4 4 5
2 2 2 2
1 1 1 1