Butene-1 Standard Specification
Item			Specification			Test Method
1.) Butene-1			wt% min	99.0		GC (PLOT Al2O3 COLUMN)
2.) Other Butenes			wt% max	1.0		GC (PLOT Al2O3 COLUMN)
3.) Butanes			wt% max	1.0		GC (PLOT Al2O3 COLUMN)
4.) 1,3 Butadiene and Propadiene			ppmwt max	200		GC (PLOT Al2O3 COLUMN)
5.) Total Acetylenes			ppmv max	10		GC (PLOT Al2O3 COLUMN)
6.) Carbon Monoxide			ppmv max	1		UOP 603
7.) Carbon Dioxide			ppmv max	1		UOP 603
8.) Oxygen			ppmv max	1		TELEDYNE OXYGEN METER
9.) Water			ppmv max	20		SHAW MOISTURE METER
10.) Total Sulphur			ppmwt max	1		ASTM D 5453
11.) Carbonyl as acetone			ppmv max	5		ASTM D 4423
12.) Total Chloride			ppmwt max	1		UOP 606
13.) Alcohol (as Methanol)			ppm mol max	1		GC (Rtx-1COLUMN)
14.) MTBE			ppm mol max	1		GC (Rtx-1COLUMN)