Gastec 81 빠른 측정 검출기 튜브 아세트산 CH3CO2H (1 ~ 100 ppm)

생산업체: Gastec
Model: CH3CO2H81
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생산업체의 정보

Indicator: 2~50 ppm
Measuring Range:
+ 1 ~ 2 ppm, 2 Number of Pump Strokes
+ 2 ~ 50 ppm, 1 Number of Pump Strokes
+ 50 ~ 100 ppm, 1/2 Number of Pump Strokes
Sampling Time: 45 seconds per pump stroke
Colour Change: Pink → Yellow
Reaction Principle: CH3CO2H + Base → Reaction product
Coefficient of Variation: 10% (for 2 to 10 ppm), 5% (for 10 to 50 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Performance

Measuring Range

1 to 2 ppm

2 to 50 ppm

50 to 100 ppm

Number of Pump Strokes

Correction Factor

Sampling Time

45 seconds per pump stroke

Detecting Limit

0.2 ppm (n=2)

Colour Change

Pink → Yellow

Reaction Principle

CH3CO2H + Base → Reaction product

Coefficient of Variation

10% (for 2 to 10 ppm), 5% (for 10 to 50 ppm)

Shelf Life

3 Years

Corrections for temperature & humidity

Humidity 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

Hydrogen chloride, Hydrogen cyanide,Nitric acid	3 times or higher	+	Yellow
Chlorine, sulphur dioxide, Nitrogen dioxide	1/2 times or higher	+	Yellow

Other substance measurable with this detector tube

Substance

Correction Factor

No. of pump strokes

Measuring Range

Acetic anhydride	Factor: 0.3	1	0.6 to 15 ppm
Acrylic acid	Factor: 1.0	1	2 to 50 ppm
Formic acid	Factor: 2.6	1	5.2 to 130 ppm
Isovaleric acid	Factor: 1.0	1	2 to 50 ppm
Maleic anhydride	Factor: 0.4	1	0.8 to 20 ppm
Methacrylic acid	Factor: 0.9	1	1.8 to 45 ppm
Propionic acid	Factor: 1.5	1	3to 75 ppm