免費(fèi)建立商鋪，與百萬浙商做生意！
一氧化碳?xì)怏w檢測管1La Carbon monoxide 的詳細(xì)介紹
Measuring Range
8 to 12.5 ppm
12.5 to 25 ppm
25 to 500 ppm
500 to 1000ppm
Number of Pump Strokes
3
2
1
1/2
Correction Factor
1/3
1/2
1
2
Sampling Time
2 minutes per pumpstroke
Detecting Limit
2 ppm (n=3)
Color Change
Yellow → Blackishbrown
Reaction Principle
CO +Na2Pd(SO3)2 → Pd + CO2 + SO2+Na2SO3
Coefficient ofVariation10% (for25 to 100 ppm)， 5% (for 100 to 500 ppm)ShelfLife3YearsCorrectionsforSubstance
Concentration
Interference
Change color by itself
Acetylene
1/50 time
Plus error
Discolors darkbrown
Ethylene
2000 ppm
No effect
Discolors whole layerto brown
Hydrogen
5000 ppm
Plus error
Dark brown (wholelayer)(1%)
Sulfurdioxide
1/10 time
Plus error
Discolors blackishbrown
Nitrogendioxide
40 ppm
Plus error
60 ppmNO2 gives redstain
Carbondisulfide
1/50 time
Plus error
Discolors darkbrown
Halogens
1/5 time
Plus error
Discolors darkbrown
Mercaptans
1/5 time
Plus error
Discolors darkbrown
Hydrogensulfide
1/5 time
Plus error
Discolors darkbrown
關(guān)于我們 | 友情鏈接 | 網(wǎng)站地圖 | 聯(lián)系我們 | 最新產(chǎn)品
浙江民營企業(yè)網(wǎng) m.brightenupmyday.com 版權(quán)所有 2002-2010
浙ICP備11047537號-1
