Table 1.

Summary of values for the thermal diffusivity coefficient calculated using the back-calculation procedure.

Sample No.	Bulk Density	RMSE	a
	[$\frac{\mathbf{kg}}{{\mathbf{m}}^3}$]	[%]	[$\frac{{\mathbf{m}}^2}{\mathbf{s}}$]
1.1	2318	2.98	1.273 $\times {10}^{-6}$
1.2	2322	3.80	$1.236\times {10}^{-6}$
1.3	2317	4.44	$1.218\times {10}^{-6}$
1.4	2321	1.84	$1.233\times {10}^{-6}$
mean value/uncertainty	2319 ± 3		(1.240 ± 0.053)$\times {10}^{-6}$
2.1	1175	1.47	$0.477\times {10}^{-6}$
2.2	1172	1.09	$0.524\times {10}^{-6}$
2.3	1174	1.30	$0.506\times {10}^{-6}$
2.4	1172	1.16	$0.578\times {10}^{-6}$
mean value/uncertainty	1173 ± 2		(0.520 ± 0.096)$\times {10}^{-6}$
3.1	772	2.00	$0.448\times {10}^{-6}$
3.2	776	1.22	$0.410\times {10}^{-6}$
3.3	777	1.88	$0.370\times {10}^{-6}$
3.4	767	2.61	$0.381\times {10}^{-6}$
mean value/uncertainty	773 ± 5		(0.402 ± 0.078)$\times {10}^{-6}$
4.1	636	2.42	$0.259\times {10}^{-6}$
4.2	647	2.37	$0.250\times {10}^{-6}$
4.3	640	2.71	$0.258\times {10}^{-6}$
4.4	621	2.48	$0.268\times {10}^{-6}$
mean value/uncertainty	636 ± 11		(0.259 ± 0.017)$\times {10}^{-6}$
5.1	425	3.13	$0.165\times {10}^{-6}$
5.2	442	3.50	$0.167\times {10}^{-6}$
5.3	443	1.82	$0.145\times {10}^{-6}$
5.4	428	4.00	$0.160\times {10}^{-6}$
mean value/uncertainty	434 ± 9		(0.160 ± 0.019)$·{10}^{-6}$