Gastec 132HH 快速三氯乙烯检测管 Cl2C：CHCl（0.05~2.5％）

制造商: Gastec
Model: 132HH
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技术规格
制造商消息

Indicator: 0.05 to 1.0%
Measuring Range:
+ 0.05 to 1.0%, Number of Pump Strokes 1
+ 1.0 to 2.5%, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: White → Yellowish brown
Reaction Principle: Cl2C:CHCl+ I2O5 + H2S2O7 → I2
Coefficient of Variation: 10% (for 0.05 to 0.3 %), 5% (for 0.3 to 1 %)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

0.05 to 1.0%

1.0 to 2.5%

Number of Pump Strokes

Correction Factor

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.005% (n=1)

Colour Change

White → Yellowish brown (dark brown at demarcation)

Reaction Principle

Cl2C:CHCl+ I2O5 + H2S2O7 → I2

Coefficient of Variation

10% (for 0.05 to 0.3 %), 5% (for 0.3 to 1 %)

Shelf Life

3 Years

Corrections for temperature & humidity

Temperature correction is necessary

Store the tubes at cool and dark place.

Possible coexisting substances and their interferences (NOTE)

Substance

Concentration

Interference

Change colour by itself to

Carbon Monoxide	0.1%	+	Dark brown
Acetylene	0.1%	+	Dark brown
Acetone	6 times	No	Brown
Ethylene	0.5%	+	Dark brown
Toluene, Xylene	3 times	No	Brown
HCs (C3)		+	Dark brown
Tetrachloroethylene		+	Yellowish brown
1,1,1-Trichloroethane		+	Yellowish brown(ring)