文章提出了食用盐中亚硝酸盐的测定方法。
The analytic methods of nitrite in edible salt were described.
测定了广东产苋科6种野菜中硝酸盐、亚硝酸盐和维生素C的含量。
The contents of nitrate, nitrite and vitamin C in leaves of 6 edible wild vegetables of Amaranthaceae were determined.
水质。用液态离子色谱法测定已溶解的阴离子。第2部分:在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。
Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.
结论:该方法操作较简单,灵敏度高,速度快,干扰少,结果准确,适用于蔬菜、水果及其制品中亚硝酸盐与硝酸盐的同时测定。
Conclusion: the method is simple, sensitive, rapid, practical, accurate and which is suitable for the determination of nitrite and nitrate in vegetables, fruits and derived products.
用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波,用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
氨和亚硝酸盐含量均未检出在开始时,并没有降水氟盐的观察期间,这些生物测定。
Ammonia and nitrite were not detected at the start, and no precipitation of fluoride salts was observed during these bioassays.
提出了紫外分光光度法同时测定生活饮用水中的硝酸盐氮和亚硝酸盐氮的含量。
This paper presented the simultaneously determine the nitrate nitrogen and the nitrous nitrogen in drinking water by UV.
亚硝酸盐在水浓度的测定30分钟的氯化反响。
Concentration of nitrite in the water was measured after 30 min of chlorination.
亚硝酸盐在水浓度的测定30分钟的氯化反响。
Concentration of nitrite in the water was measured after 30 min of chlorination.
应用推荐