Testing of petroleum products - Determination of phosphorus content of lubricating oils and additives - Part 3: Direct determination by optical emission spectral analysis with inductively coupled plasma (ICP OES)
石油产品检验.润滑油和添加剂中磷含量的测定.第3部分:用电感耦合等离子体(ICP OES)的光发射光谱分析直接测定