For Loss-On-Ignition studies of organic matter content of soil samples. In this lab, use a relatively low-temperature (360 to 375°C) protocol. Field Equipment Category: Lab EquipmentOther Documents: Ball (1964). Loss-on-ignition as an estimate of organic matter and organic carbon in non-calcareous soils. J. Soil Sci 15(1) Salehi et al. (2011). Refining soil organic matter determination by loss-on-ignition. Pedosphere 21(4): 473-482. Hoskins (2002). Organic matter by loss on ignition. Laboratory Procedures. Virginia Tech Soil Testing Laboratory.