Visible/Near-Infrared Spectroscopy Devices and Wet-Chem Analyses for Grapes (Vitis vinifera L.) Quality Assessment: An Environmental Performance Comparison

Table 5

Quantity, allocation factor, lifetime, and amount per analysis for VIS/NIR spectroscopy analysis.

Input	Unit	Quantity (Q)	Allocation factor (Af)	Lifetime (years)	Lifetime (no. analyses)	Amount per analysis^†
VIS-NIR spectrophotometer	g	15 × 10^3	1.00	15	6750	2.22
Computer	g	13 × 10^3	1.00	15	6750	1.926
Calibration	n	2100	0.015	15	6750	0.004666667
Electricity	kWh	0.0564	1.00	n.a.	1	0.0564

^†Quantity × allocation factor/no. of analyses.