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[供應]醋酸芐基氣體檢測管147 Amtyl acetate
- 產品產地:日本
- 產品品牌:日本gastec
- 包裝規格:147
- 產品數量:1111
- 計量單位:盒
- 產品單價:1
- 更新日期:2014-06-13 16:54:15
- 有效期至:2015-06-13
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醋酸芐基氣體檢測管147 Amtyl acetate
詳細信息
醋酸芐基氣體檢測管147 Amtyl acetate    的詳細介紹   
醋酸芐基氣體檢測管147 Amtyl acetate
Amtyl acetate                                  No.147
 
CH3CO2(CH2)4CH3(CH3CO2C5H11)
 
 
 
Performance 
MeasuringRange
10 to 200 ppm
Number of PumpStrokes
2
CorrectionFactor
1
SamplingTime
4 minutes per pumpstroke
DetectingLimit
2 ppm (n=2)
ColorChange
Yellow → Paleblue
ReactionPrinciple
CH3CO2(CH2)4CH3  + Cr6+  + H2SO4  → Cr3+
Coefficient ofVariation
15% (for 10 to 50ppm), 10% (for 50 to 200 ppm)
ShelfLife2 Years
Correctionsfor
temperature & humidityTemperature  correction is  necessary
Store the tubes at cool and darkplace.
Possible coexisting substances and theirinterferences(NOTE)
Substance
Concentration
Interference
Change color by itself
Alcohols
-
Plus error
Produce paleblue
Ketones
-
Plus error
Produce paleblue
Esters
-
Plus error
Produce paleblue
Calibration gasgenerationDiffusion tubemethod
TLV-TWATLV-STELExplosive range100ppm-1.1 to 7.5%
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