Teste de Proficiência Interlaboratorial: - Esquema Oils and Fuels OIL; - Amostra 02: # 2 Diesel combustível; - Amostra fornecida: 1 x 1 US gal (~ 3750 ml) amostra de combustível; - Principais Analítos: Particulate Contamination by Filtration; BP Distribution; Ash; Carbon; Hydrogen; Nitrogen; Carbon Residue; Cloud Point; Acid Number; Base Number; Color; Cold Filter Plugging Point; Copper Corrosion; Density; Distillation; Flash Point; Heat Content; Hydrocarbon Type(s); Lubricity (HFRR) Wear scar diameter @ 25 oC ; Pour Point; Sulfur Content; Vicosity, Kinematic @ 40°C; Water; Sediment; High Temp Stability. ** Corrosão de cobre é determinada por comparação visual com as tiras de teste padronizados.