氮化钒铁 氮含量的测定 蒸馏分离-酸碱中和滴定法
Ferrovanadium nitride-Determination of nitrogen content-Distillation separation-acid-base neutral titration method

2016-10-22

钢铁及合金化学分析方法 蒸馏分离-中和滴定法测定氮量
Methods for chemical analysis of iron，steel and alloy--The neutral titration method for the determination of nitrogen content after distillation separation

1994-09-26

中间馏分油中含氮化合物的测定 气相色谱-氮化学发光检测法
Standard test method for nitrogen compounds in middle ditillates by gas chromatog raphy-nitrogen chemiluminescence detection

2020-10-23

汽油中苯胺类化合物的测定气相色谱-氮化学发光检测法
Standard test method for aniline compounds in gasoline by gas chromatography-nitrogen chemiluminescence detection

2019-06-04

汽油中含氧和含氮添加物的分离和测定 固相萃取/气相色谱-质谱法
Standard test method for separation and determination of oxygenates and nitrogenous compounds in gasoline by solid-phase extraction and gas chromatography-mass Spectrometry

2019-06-04