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[供应]一氧化碳气体检测管1L CO Carbon monoxide

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产品产地：日本
产品品牌：日本gastec
包装规格：1L
产品数量：1111
计量单位：盒
产品单价：0
更新日期：2014-06-13 09:38:43
有效期至：2015-06-13
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一氧化碳气体检测管1L CO Carbon monoxide 详细信息

一氧化碳气体检测管1L CO Carbon monoxide 的详细介绍一氧化碳气体检测管1L CO Carbon monoxide
Carbonmonoxide No.1L

CO

Performance

MeasuringRange

2.5to25ppm

25 to 1000 ppm

1000 to 2000ppm

Number of Pump Strokes

2 to 10

1/2

CorrectionFactor

1/2 to 1/10

SamplingTime

1 minute per pumpstroke

DetectingLimit

1 ppm (n=10)

ColorChange

Yellow → Blackishbrown

ReactionPrinciple

CO +Na2Pd(SO3)2 → Pd + CO2 + SO2+Na2SO3

Coefficient ofVariation10% (for25 to 300 ppm)， 5% (for 300 to 1000 ppm)ShelfLife3YearsCorrectionsfor
temperature & humidityUnnecessaryStore the tubes at cool and darkplace.
Possible coexisting substances and theirinterferences(NOTE)

Substance

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

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