ITEM(LIGHT)		INDEX
NA2CO3,%≧		99.2
NACL,%≦		0.70
FE,%≦		0.004
WATER INSOLUBLE MATTER,%≦		0.04
LOSS ON IGNITION,%≦		0.8
ITEM(DENSE)		INDEX
NA2CO3,%≧		99.2
NACL,%≦		0.70
FE,%≦		0.0035
WATER INSOLUBLE MATTER,%≦		0.03
LOSS ON IGNITION,%≦		0.8
G/ML≦		0.9