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產(chǎn)品型號105SD
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所 在 地上海市
更新時間:2024-12-18 18:44:04瀏覽次數(shù):897次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
二丁胺氣體檢測管105SD DI-N-BUTYL AMINE 2-20ppm
Tube 05SD
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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