6978-1 201iso6978-1... · 2020-04-08 · 6978-1 201_ 2 iso 6570, natural gas determination of...

33
( ) INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 6978-1 201_ 6978-1:2003 ) ISO 6978-1:2003 ( ) Natural gas Determination of mercury- Part 1: Sampling of mercury by chemisorption on iodine (MOD) 2 0 1 _

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Page 1: 6978-1 201iso6978-1... · 2020-04-08 · 6978-1 201_ 2 ISO 6570, Natural gas Determination of potential hydrocarbon liquid content Gravi-metric methods ISO 10715, Natural gas Sampling

( )

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC)

6978-1 201_

6978-1:2003 )

ISO 6978-1:2003 ( ) Natural gas Determination of mercury- Part 1:

Sampling of mercury by chemisorption on iodine

(MOD)

2 0 1 _

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6978-1 201_

V

9

1

-

. . )

ISO 6978-1:2003 ( Natural gas Determination of mercury Part 1:

Sampling of mercury by chemisorption on iodine

3

_____________ _____________ 20__________

97

97

AZ BY KZ KG MD RU

TJ UZ

-

6978-1:2003 . 1:

6978-1:2003 ( ) Determination of mercury Part 1: Sampling of mercury by chemi-sorption on iodine .

201_ 6978-1 201_

1_

II

-1-201_

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6978-1 201_

III

201_

III

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. . . . . . 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . .

15 17 20

8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

21

21 22 22

10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24 24

24 24

. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

IV

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6978-1 201_

V

-

- -

.

V

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6978-1 201_

VI

.

,

- -

.

.

,

VI

-1-201_

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6978-1 201_

-

1

Natural gas Determination of mercury Part 1:

Sampling of mercury by chemisorption on iodine

__________________

1

3

5000 3.

3 .

ISO 6978-2

3 3

) 3 3.

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6978-1 201_

2

ISO 6570, Natural gas Determination of potential hydrocarbon liquid content Gravi-

metric methods

ISO 10715, Natural gas Sampling guidelines

ISO 14111, Natural gas Guidelines to traceability in analysis

ISO 14532, Natural gas Vocabulary

-

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6978-1 201_

3

12.4.221

1770 74

9-

-

-

6709 72

-

79

2

-

-

-

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6978-1 201_

4

28498 90

29227 91 ( -1-

3

,

14532.

4

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6978-1 201_

3

3)2

Hg(C2H5)2), :

Hg + I2 2

Hg(CH3)2 + 2I2 2 + 2CH3I.

2

4I/I2).

,

-

-

( )

,

3)

,

5

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6978-1 201_

6

, %.

5.1

5.1.1.1 ,

(5.1.1.1.)

5.1.2

5.1.3

5.1.4

-

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6978-1 201_

3

-

.

4),

5.2.2 .

.

.

3

.

7

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6978-1 201_

8

- -

).

C

(A

.

,

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6978-1 201_

3

1 - 2- 3 -

4 - 5 - 6 ; 7 - 8 - 9

;

9

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6978-1 201_

10

) 1 - ; 2 - ; 3 -

; 4 - ; 5 - ; 6 - ; 7 - ; 8 - ; 9 -

; 10 .

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6978-1 201_

3

2 1 - ; 2 - ; 3 -

4 - ; 5 - - ; 6 - ; 7 -

3

1 - ; 2 - ;

11

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6978-1 201_

26

1 - ; 2 - ; 3 - ; 4 -

; 5 - ; - .

12

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6978-1 201_

3

1- 3; 2 ; 3 -

; .

13

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6

6.1 , 1 / 3;

6.2 .

6.2.1 (I2).

6.2.2 n- .

6.2.3

3 (5.3.1) 1

1,0 3 - .

30 ,

- - ,

, -

6.3.1 (I2).

6.3.2 .

6.3.3 , c(NH4I) = 1 / 3.

6.3.4 , 10

1,0 3 ,

(6.1). NH4I/I2 ( NH4I

14

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6978-1 201_

3

, . 6

.

6.4 .

6.4.1 , 15 %- .

6.4.2 (SnCl2).

6.4.3 , 5

(6.4.2) 95 (6.4.1).

2

6.5

6.5.1 Hg - 1,000 / 3,

.

6.5.2 ,

(6.5.1) (NH4I/I2) (6.3.4)

.

7

-

!

7.

15

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6978-1 201_

26

,

,

,

.

16

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6978-1 201_

3

-

( )

7.1.3.

,

0,1 3 3

20 3

6570

10715

,

17

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6978-1 201_

26

-

-

-

,

.

.

1),

(

NiMo16Cr15W

50 t2 90

10 3

. t1,

18

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6978-1 201_

3

2 10

1).

.

,

p1 .

V1

V2 :

p , 3 8 3

p

3 .

tG pG

19

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6978-1 201_

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3 3

7.3

50 3

4I/I2,

4I/I2 50 3

.

20

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6978-1 201_

3

NH4I/I2

8

.

A .

.

3 3

10 .

4I/I2 (6.3.4).

3

.

8.2

21

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6978-1 201_

26

AA

8.1.

3 %. ,

,

.

.

.

, ,

1 3

22

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6978-1 201_

3

2

1

VRVAm

f

Hg , (1)

A

Rf

;

V1 ;

V2 ,

(2):

Hg,corr Hg blankm m m (2)

mHg,corr

mblank ,

013,25 3, VG,

)()()(

GNN

NGaifG tTp

TppVVV , (3)

Vf , , 3;

Vi , 3;

pa ;

pG ), ;

tG , ) ;

N K;

pN a.

Hg, 3 3

(4):

23

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6978-1 201_

26

HgcorrHg

G

mV

(4)

10.2.1

%

(95

10.2.2

10.3

, .

11

24

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6978-1 201_

3

- -1;

-

- ;

- , ;

- ;

- );

- 3

;

- ;

- ;

- .

25

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6978-1 201_

26

[1]

-

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6978-1 201_

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