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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>105SD环己胺C6H11NH2气体检测管 105SD CYCLOHEXYL AMINE 1-20ppm

环己胺C6H11NH2气体检测管 105SD CYCLOHEXYL AMINE 1-20ppm

简要描述:

环己胺C6H11NH2 105SD CYCLOHEXYL AMINE (+) Cyclohexylamine 1-20ppm 因此,检测管变色层的长度和气体的浓度成正比关系,观察变色长度就能检测出空气中目标气体的浓度。随时间的推进,氧气分子进入检测剂的空隙和检测剂接触,并且越来越深入检测管。这个过程持续推进,一层一层推进,直至没有氧气进入,颜色变化停止。

更新时间:2018-01-24

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环己胺C6H11NH2气体检测管 105SD CYCLOHEXYL AMINE 1-20ppm

环己胺C6H11NH2气体检测管 105SD CYCLOHEXYL AMINE 1-20ppm

Tube No.105SD
1. PERFORMANCE
1) Measuring range :1-20 ppm 0.2-1 ppm
Number of pump strokes 1(100ml) 5(500ml)
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) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3+H3PO4→(NH4)2PO4
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20
18
16
14
12
10
8
6
4
2 1
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SD AMMONIA
Substance Interference Coexistence
Amines Similar stain is produced. Higher readings are given.
(NOTE)
When the concentration is below 1 ppm, 2 to 5 pump strokes can be used to detemine the lower concentration.
Following formula is available for actual concentration.
Actual concentration=Reading value× 1
Number of strokes

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