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ТУРКМЕНСКИЙ БЕНЗИН

No

Description of index

Figure for mark

 

1

Octane number, not less than:

 

-By motor method

-By researchermethod

A-80

A-92

A-95

76,0

80,0

82,5

92,0

85,0

95,0

2

Actual resin concentration, mg 100 sm3benzine, not more than

5,0

3

Induction period. Min, not less than:

360

4

Mass portion of sulfur, %,not more than

0.1

 

0,05

5

Copper plate testing

Ok

 

6

Color

From colorless before yellow

7

Density 20˚ C , kg/m3

No standard, determination necessary

8

Saturatedvapourpressure, kPa

35-70

9

Mass portion of merkaptan sulfur,%, not more than

No standard

10

Acidity ,mg KOH by 100 sm3, not more than

3,0

11

Fraction composition:

-Initial boiling point ,˚C, not less than:

-10%- summer time

-10%- winter time

-50%

-90%

-Final boiling point ,˚C, not more than:

-Mass portion of residue in flask,%,(vol.), not more than

-Losses ,%,(vol.), not more than

 

35

80

75

120

190

215

2

 

4

12

Vapour stopper index, not more than

-Summer time

-Winter time

 

950

1250

13

Presence of acids and bases, soluble in water

No

14

Presence of mechanical impurities and water

No