产品列表PRODUCTS LIST

首页>产品中心>日本光明北川式气体检测管>气体快速检测管>121SC磷化氢PH3气体检测管121SC PHOSPHINE 20-1400ppm

磷化氢PH3气体检测管121SC PHOSPHINE 20-1400ppm

简要描述:

磷化氢PH3气体检测管121SC PHOSPHINE 20-1400ppm,气体检测管应用行业分布广泛,涵盖石油、化工、冶金、采矿、电子、电力、制药、食品、医疗卫生、农业、燃气、市政工程、家庭安全与健康、公用场所、道路安全管理、污水处理、生物科学、航天航空、军事反恐等领域,用于防火防爆、预防中毒、污染监测、环境治理、改善人居环境。

更新时间:2024-10-06

发邮件给我们:554328895@qq.com

分享到: 1
在线留言
磷化氢PH3气体检测管121SC PHOSPHINE 20-1400ppm

磷化氢PH3气体检测管121SC PHOSPHINE 20-1400ppm

Tube 21SC
1. PERFORMANCE
1) Measuring range :40-1400 ppm 20-700 ppm
Number of pump strokes 1/2(50ml) (100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric chloride(II), Mercuric phosphorus chloride is produced.
PH3+HgCI2+H2O→Hg3P2・HgCI2・H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
700
600
500
400
300
200
100
50
20
ppm
100ml
GAS To pump
121SC PHOSPHINE
Substance Interference ppm Coexistence
Arsine Brown stain is produced. 30 Higher readings are given.
Hydrogen selenide 〃50 〃
Hydrogen sulphide 〃40 〃
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value