氮含量測定用標(biāo)準(zhǔn)物質(zhì),石油化工科學(xué)研究院生產(chǎn),。用于化學(xué)發(fā)光法測定石油化工產(chǎn)品中的氮含量,。
【輕油】以下濃度選:0.2,0.5,,1,,3,5,,10,,20,30,,50,,100,200,,300,,500,700,,1000,,1500,2000,,3000,(mg/L),;
【重油】以下濃度可選:5,,10,50,,100,,300,500(ppm),,0.10%,,0.2%,0.3%,,0.4%0.50%,,1.0%,,2.0%,3.0%,5%,;
【保存條件】避光