产品介绍
Element phosphorus gas chromatography analysis method, the former with colorimetric method on analysis of the element phosphorus (GB4283-84 water samples with benzene extraction 2 times. Gas sample by benzene 2 levels of absorption. Soil and sediment samples with benzene, acetone mixture mixing will that pour out the supernatant fluid after 2-3 times, extract (or suction...
xiang ying analysis technology co., LTD., is determined by gas chromatograph XingyingGC7990PLUS element phosphorus, satisfied results.
元素磷的气相色谱分析方法研究,我国原用的元素磷分析方法为比色法(GB4283-84)水样用苯萃取2次。气样用苯2级吸收。土壤或底泥样用苯、丙酮混合液搅拌后将上清液倾出2-3次,萃取液(或吸...
滕州市翔鹰分析技术有限公司采用XingyingGC7990PLUS气相色谱仪测定了元素磷,结果满意。