The metallic impurity contents required by some foreign carbon plants were introduced, which were compared with the carbon companies in China.
介绍了国外某些工厂对金属杂质含量的要求，对比了我国目前延迟焦金属杂质的状况。
Feedstock demands meeting hydrocarbon steam reforming process including impurity contents of olefins, aromatics, sulfur, arsenic and chloride, as well as dry point of light fraction were introduced.
介绍烃类水蒸气转化制氢工艺对原料的要求，加烯烃、 芳烃、硫、砷和氯等杂质的含量，以及轻油的干点等。
Objective To establish a HPLC method for determining the contents of isoniazid and its impurity in isoniazid Tablets.
目的建立测定异烟肼片剂中异烟肼及其杂质含量的高效液相色谱(hplc)法。
应用推荐