Example Calculations:
Column 5: Methane =
7171.0
9977.0x155.273x0831434.0
04.16x1
=
Nitrogen =
250.1
9995.0x155.273x0831434.0
01.28x1
=
Sample A =
7583.0
9976.0x155.273x0831434.0
96.16x1
=
Sample B =
7743.0
9977.0x155.273x0831434.0
32.17x1
=
Sample C =
8624.0
9972.0x155.273x0831434.0
28.19x1
=
Column 6: Methane =
9916.0000695.0x
32.1
04.16
1 =−
Nitrogen =
9862.0000695.0x
41.1
01.28
1 =−
Sample A =
9911.0000695.0x
32.1
96.16
1 =−
Sample B =
9909.0000695.0x
32.1
32.17
1 =−
Sample C =
9897.0000695.0x
30.1
28.19
1 =−
Column 7: Methane = 1+7(0.00017+6E-5x16.04-1.13E-5x16.04²+0)
=
0.9876
Nitrogen = 1 - 0.000238 x 7 =
0.9983
Sample A = 1+7(0.00017+6E-5x16.96-1.13E-5x16.96²+0.0072x0.03)
=
0.9871 (I=0.03)
Sample B = 1+7(0.00017+6E-5x17.32-1.13E-5x17.32²+0.0072x0.05)
=
0.9873 (I=0.05)
Sample C = 1+7(0.00017+6E-5x19.28-1.13E-5x19.28²+0.0072x0.1)
=
0.9849 (I=0.1)
Column 8: Methane =
9977.0
9876.0
= 0.9899 Nitrogen =
9995.0
9983.0
= 0.9988
Sample A =
9976.0
9871.0
= 0.9895 Sample B =
9977.0
9873.0
= 0.9896
Sample C =
9972.0
9849.0
= 0.9877
Column 9: Methane = 0.9816 Nitrogen = 0.9850 Sample A = 0.9807 Sample B = 0.9806
Sample C = 0.9775
Column 10: Methane = 1.84 Nitrogen = 1.50 Sample A = 1.93
Sample B = 1.94 Sample C = 2.25
Column 11: Methane = 0.9816 Nitrogen = 0.9850
Sample A =
)7171.025.1(7583.0
)]9816.01(7171.0)985.01(25.1)[7171.07583.0(
7583.0
)9816.01(7171.0
1
−
−−−−
−
−
−
= 0.982
Sample B =
)7171.025.1(7743.0
)]9816.01(7171.0)985.01(25.1)[7171.07743.0(
7743.0
)9816.01(7171.0
1
−
−−−−
−
−
−
= 0.9822
Sample C =
)7171.025.1(8624.0
)]9816.01(7171.0)985.01(25.1)[7171.08624.0(
8624.0
)9816.01(7171.0
1
−
−−−−
−
−
−
= 0.9829
Column 12: Methane = 0 Nitrogen = 0 Sample A = 0.13
Sample B = 0.16 Sample C = 0.54
Column 13: Methane = 0.9816 Sample C = 0.9775
Nitrogen =
)7171.08624.0(25.1
)]9816.01(7171.0)9775.01(8624.0)[7171.025.1(
25.1
9816.01(7171.0
1
−
−−−−
−
−
−
= 0.9712
Sample A =
)7171.08624.0(7583.0
)]9816.01(7171.0)9775.01(8624.0)[7171.07583.0(
7583.0
9816.01(7171.0
1
−
−−−−
−
−
−
= 0.9803
Sample B =
)7171.08624.0(7743.0
)]9816.01(7171.0)9775.01(8624.0)[7171.07743.0(
7743.0
9816.01(7171.0
1
−
−−−−
−
−
−
= 0.9798
Column 14: Methane = 0 Nitrogen = -1.38 Sample A = -0.04
Sample B = -0.08 Sample C = 0
Column 15: Methane = 0.7171 Nitrogen = 1.2328
Sample A = 0.7580 Sample B = 0.7737
Sample C = 0.8624
An alternative method for deriving modified values of Y to produce nil error is given over the page.