Gastec 153L 快速甲基异丁基酮检测管（CH3)2CHCH2COCH3（2.5~130ppm）

制造商: Gastec
Model: 153L
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技术规格
制造商消息

Indicator: 5 to 50ppm
Measuring Range:
+ 2.5 to 50ppm, Number of Pump Strokes 1
+ 50 to 130ppm , Number of Pump Strokes 1/2
Sampling Time: 2 minute per pump stroke
Colour Change: Pale yellow → Pale blue
Reaction Principle: (CH3)2CHCH2COCH3+ Cr6+ + H3PO4 → Cr3+
Coefficient of Variation: 10% (for 2.5 to 10ppm), 5% (for 10 to 50ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range	2.5 to 50ppm	50 to 130ppm
Number of Pump Strokes	1	1/2
Correction Factor	1	2.6
Sampling Time	2 minutes per pump stroke
Detecting Limit	1.5ppm (n=1)
Colour Change	Pale yellow → Pale blue
Reaction Principle	(CH3)2CHCH2COCH3+ Cr⁶⁺ + H3PO4 → Cr³⁺
Coefficient of Variation	10% (for 2.5 to 10ppm), 5% (for 10 to 50ppm)
Shelf Life	1 Year
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

Acrolein	5 ppm	No	Pale blue｡ﾊ20 ppm｡ﾋ
Acetone		No	No
Acetic acid		No	No
Ethyl acetate	5ppm	+	Pale blue
Diethyl ether		+	Pale blue
Toluene	5ppm	+	White
Halogenated hydrocarbons		No	No
Hexane	15ppm	+	White｡ﾊ15 ppm｡ﾋ
Benzene		No	No
Methanol	5ppm	+	Pale blue｡ﾊ10 ppm｡ﾋ
Methyl ethyl ketone	5ppm	+	White｡ﾊ5 ppm｡ﾋ