items

GB ( Ⅳ )

GB ( Ⅴ )

90

93

97

89

92

95

Antiknock quality：

RON

≮

90

93

97

89

92

95

Antiknock index

(RON+MON)/2

≮

85

88

report

84

87

90

Pb content/(g/L)

≯

0.005

0.005

Fe content /(g/L)

≯

0.01

0.01

Mn content/(g/L)

≯

0.008

0.002

Boiling range：

10%vaporization point/℃

≯

70

70

50%vaporization point/℃

≯

120

120

90%vapotization point/℃

≯

190

190

Final boiling point/℃

≯

205

205

Residue(volume fraction)/%

≯

2

2

Vapour pressure/kPa

November 1st to April 30th

42～85

45～85

May 1st to October 31st

40～68

40～65

Solvent wash resin/(mg/100mL)

≯

5

5

Induction period/min

≮

480

480

Sulfur content(mass fraction)/%

≯

0.005

0.001

RSH(meet one of the follows)

Doctor test

pass

pass

Sulfur content of RSH(m)/%

≯

0.001

0.001

Copper corrosion(50℃3h),grade

≯

1

1

Water-soluble acid or base

--

--

Mechanical admixture

--

--

Benzene content

(volume fraction)/%

≯

1

1

Aromatic content( vf)/%

≯

40

40

Olefin content(vf)/%

≯

28

25

Oxygen content(m)/%

≯

2.7

2.7

Methanol content (m)/%

≯

0.3

0.3