推荐回答（1个）
检测项目 理化含义 检测目的
运动粘度 表示燃料油的粘稠程度 粘度是划分燃料油等级的主要依据。也是燃料油重要的质量指标
水分 表示燃料油中水含量的多少 水分会降低燃料油的热值，锈蚀设备有关部件
闪点 燃料油挥发气体的最低闪火点 燃料油的安全性指标，也反映燃料油中轻质组分的含量
色度 柴油颜色的深浅程度 柴油颜色的深浅往往能间接反映柴油精练程度的好与坏
密度 燃料油的质量与体积之比 燃料油计量的重要依据，也是衡量燃料油组分的重要指标
凝点 轻质燃料油不流动的最低温度 衡量燃料油的低温流动性指标，划分柴油等级的主要依据
酸度 表示燃料油中所含酸性物质的多少 酸度过高，会腐蚀设备，也是轻质燃料油重要的质量指标
馏程 表示轻质燃料油中各组分的分布情况 判定燃料油各组分的重要方法，燃料油重要的质量指标
残碳 燃料油经蒸发和热解后所形成的残留物 燃料油残炭多，表明燃料油容易氧化生成胶质或积炭
灰分 燃料油被碳化后的残留物经煅烧所得的无机物 灰分过多，将形成结垢，加剧设备的磨损，影响设备的正常运行
机械杂质 燃料油中不溶解的沉淀物或悬浮物 机械杂质的存在将会堵塞油滤，加剧设备的磨损，影响燃烧
硫含量 燃料油中的硫及其衍生物的含量 环保指标，也是燃料油重要的质量指标
氧化安定性 用以表示馏分燃料油的氧化安定性 抗氧化能力是柴油的重要质量指标，能反映柴油的胶质生成倾向
十六烷值 衡量柴油的发火性能的高低 衡量柴油在发动机中发火性能和做功能力的指标。
热值 单位重量的燃料油完全燃烧时所放出的热量 燃料油产生热能的高低，是评价燃料油质量的主要指标
金属元素含量 燃料油中金属元素Al、V，Si等的含量 Al、V，Si等金属元素的含量是被限制的，其对设备有危害
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