Datarapport om sammensætning og biogaspotentiale i organisk dagenovation

Table 6.
Results of repeated analysis of the same sample and the standard deviations observed in the analysis of the sampling procedure represented by the standard deviation at the level of the high-speed blender (right column).

 

 

Same sample analysed six times1,2

Sampl proc.

 

1

2

3

4

5

6

Mean

St.dev.

Rel.sd.

1Ash, %TS

13.00

14.30

12.75

13.05

12.90

13.15

13.19

0.56

4.25%

0.6

1Crude fat, %TS

14.70

13.50

14.70

13.95

13.90

114.60

14.23

0.51

3.5%

1.6

1Crude protein, %TS

16.55

16.45

16.60

16.60

16.35

16.20

16.46

0.16

0.97%

0.13

1Crude fibers, %TS

15.25

14.10

13.65

15.40

14.55

14.30

14.54

0.68

4.7%

0.6

1Starch, %TS

-

13.45

14.05

13.05

12.95

13.10

13.32

0.45

3.4%

0.4

1Sugar, %TS

-

9.30

10.30

7.00

7.05

7.55

8.24

1.48

18.0%

0.9

1EDOM, %VS

96.10

98.70

97.40

98.10

99.45

99.65

98.23

1.34

1.4%

0.4

2Volatile solids, %TS

86.0

86.0

87.0

87.0

86.7

86.7

86.57

0.46

0.53%

0.5

2Phosphorous, P, %TS

0.54

0.46

0.50

0.40

0.42

0.42

0.46

0.054

11.9%

0.02

2Nitrogen, N, %TS

2.6

2.8

2.7

2.6

2.9

2.8

2.73

0.12

4.4%

0.1

2Carbon, C, %TS

46

48

47

46

47

47

46.83

0.75

1.6%

0.5

2Hydrogen, H, %TS

6.9

7.2

6.9

6.8

7.3

7.2

7.05

0.21

2.9%

0.1

2Sulphur, S, %TS

0.24

0.22

0.23

0.20

0.21

0.20

0.217

0.016

7.5%

<0.1

2Calorif. value, MJ/kg

20.1

20.4

20.2

20.0

20.0

20.1

20.13

0.15

0.75%

0.3

1,2: Refers to Laboratory 1 and Laboratory 2, respectively.