... 25 KgSELON SYP-708 Digest Stove, digestion with a precise test, Kjeldahl method electric heater furnace, electric furnace, ... laboratory furnaces FEATURES:1,Temperature adjustable continuously, precise temperature control and stability.2,One ingot heating, the ... is small, uniform sample digestion.3,Isolate the control panel and furnace body.4,Overheat protection: when the temperature ...