Scott Specialty Gases
ELECTRON CAPTURE DETECTOR (ECD) HIGH-PURITY GAS MIXTURES
Methane in Argon

Oxygen and water can reduce detector response and halocarbons can give rise to baseline noise and negative peaks.

Class T = Certified Working Class
Instrument Support Gas Mixtures
Concentration	Cyl Size	Class	Cyl Content	Pressure (psig)	Avg.Lead Times (days)	Price	Order
VOC Grade	K	T	313 CF	2000	4	$1,206.00
VOC Grade	A	T	227 CF	2000	4	$981.00
Ultra-High Purity *	K	T	313 CF	2000	2	$328.00
Ultra-High Purity *	A	T	227 CF	2000	2	$312.00

*Individual analysis of total halocarbons < 1 ppb is available

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