[Standard]: GB/T3863-1995

[Molecular formula]: O₂

[Molecular weight]: 31.999

[Properties]:

Item		Value			Test method
		Premium grade	First grade	salable product
Oxygen assay (V)102		99.7	99.5	99.2	cuprammonia absorption
moisture	free water ml/bottle	-	no free water	100	GB58322
	dew point	-43	-	-	GB58322

[Properties]: Colorless, tasteless, odorless, intoxic gas.

[Uses]: Used in gas flame operation.

[Packing & storage]: Checked befor stuffed with gas, the bottle meets the standard.