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GAS151D Acetone Passive Dosi-Tube 5 - 1500ppm

GAS151D Acetone Passive Dosi-Tube 5 - 1500ppm

SKU: GAS151D

GAS151D

Next Working Day Delivery - When Ordering Gastec Detector Tubes from a1-cbiss, we aim to deliver to your site for the next working day.

Large UK Stock Holding - 95% of our Gastec Detector Tubes are held in stock so our delivery times are quick

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Shelf Life - a1-cbiss will never dispatch detector tubes with less than 3 months remaining before expiry. a1-cbiss employ a stock rotation policy of first in, first out. Specific shelf life requirements must be identified at the point of order placement (use the comment box in the checkout process). The expiry date is printed clearly on the front of the detector tube packet.

Excl. VAT: £35.00 Incl. VAT: £42.00

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Product Description

Details

GAS151D Acetone Gastec Passive Sampling Dosi Tubes (Time Weighted Average Detector Tubes)

The Dosi-Tube System allows an operator to evaluate the level of gas a worker is exposed to over a time period such as a working shift.

The Dosi-Tube is easily clipped into the Dosi-tube holder (GAS710) which is worn on a garment of clothing.

Performance

Measuring Range	5 to 1500 ppm
Sampling Hours	1 to 10 hours
Detecting Limit	5ppm (10 hours)
Colour Change	Yellow Reddish Brown
Reaction Principle	Acetone reacts with Hydroxylamine Phosphate to liberate Phosphorus Acid, which discolours pH indicator to reddish brown. 3CH₃COCH₃ + (NH₂OH)₃H₃PO₄ H₃PO₄ H₃PO₄ + Base Phosphate
Coefficient of Variation	10% (for 50 to 1500 ppm∙hr)
Shelf Life	Up to 2 years from point of manufacture
Corrections for temperature & humidity	Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10^oC (50^oF) or below.

Possible coexisting substances and their interferences

Substance	Concentration	Interference	Change colour by itself
Aldehydes, Ketones	-	Plus error	Discolours reddish brown
Acid gases	-	Plus error	Discolours reddish brown (Unclear demarcation)

Other substance measurable with this detector tube
Name of Substance	Correction Factor	Measuring Range
Methyl Ethyl Ketone	1.3	6.5 to 1950 ppm
Methyl Isobutyl Ketone	2.3	11.5 to 3450 ppm
Acetaldehyde	0.8	4 to 1200 ppm