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6 Mass fraction of mechanical impurity, %,

 

 

 

 

In accordance with GOST 6370

No more

0,10

0,12

0,5

1,0

 

7 Mass fraction of water, %, no more

0,3

0,3

1,0

1,0

In accordance with GOST 2477 or under the appendix [2]

8 Maintenance of water-soluble acids and alkalis

Absence

In accordance with GOST 6307

9 Mass fraction of sulfur, %, no more,

 

 

 

 

On 7.3

For black oil of kinds:

 

 

 

 

 

I

-

-

0,5

0,5

 

II

1,0

0,6

1,0

1,0

 

III

-

-

1,5

1,5

 

IV

2,0

-

2,0

2,0

 

V

-

-

2,5

2,5

 

VI

-

-

3,0

3,0

 

VII

-

-

3,5

3,5

 

10 Cokes, %, no more

6,0

6,0

-

-

In accordance with GOST 19932 or under the appendix [3]

11 Maintenance of hydrogen sulphide

Absence

-

-

-

On 7.2

12 Temperature of flash, °С, is not lower:

 

 

 

 

 

In closed tigel

80

90

-

-

In accordance with GOST 6356 or under the appendix [4]

In open tigel

-

-

90

110

In accordance with GOST 4333 or under the appendix [5]

13 Temperature of hardening, °С, not above

-5

-8

10

25

In accordance with GOST 20287 or under the appendix [6]

For black oil from Highly paraffin petroleum

-

-

25

42

 

14 Heat of combustion (lowest) in recalculation on dry fuel (not rejection), Kcal /kg, not less, for black oil of kinds:

 

 

 

 

In accordance with GOST 21261

I, II, III and IV

41454

41454

40740

40530

 

V, VI and VII

-

-

39900

39900

 

15 Density at 20 °С, kg / m3, no more

955

960

It is not normalized. Definition is necessary

In accordance with GOST 3900

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