Table 2.

Recovery [%] from initial concentrations of spiked VFAs and loss of VFA h⁻¹ at 4 and 38°C, respectively

Min	38°C				4°C
	Formate	Acetate	Propionate	Butyrate	Formate	Acetate	Propionate	Butyrate
30	2.7	97.0	99.7	92.5	94.5	98.9	98.9	97.8
60	0.2	95.2	98.0	82.5	91.3	99.1	98.9	97.4
150	0.4	91.2	88.7	66.9	75.1	99.9	91.8	93.4
Loss [mmol L−1 h−1]a	Completely lost	0.172	0.118	0.626	0.372		0.114	0.123

^aFor linear regression with R ² > 0.5. Please also refer to Figs. 3 and 4.