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of RD496 microcalorimeter[J]. Scientia Sinica Chimica, 2014, 44(6): 889-914. [19] MELLGREN O. Heat of adsorption and surface reactions of potassium ethyl xanthate on galena[J]. Transactions Society......
scavengers contained a large number of compact particles (Figs. 5(b1, b2, c1, c2)). According to the SEM-EDX analysis in Fig. 6, these compact particles contained potassium, iron, sulfur and oxygen......
GmbH) ALPHA-T. A finely divided powder sample was mixed with potassium bromide (KBr) powder and pressed into a die to make a transparent pellet. Spectra were recorded over the region 400-4000 cm-1. 2.5......
]. Minerals Engineering, 2015, 71: 180-187. [26] GUO H, EN W T. Surface potential and wettability of enargite in potassium amyl xanthate solution[J]. Minerals Engineering, 2002, 15(6): 405-414. [27] GUO H, YEN......
in kerosene[J]. Transactions of Nonferrous Metals Society of China, 2012, 22(2): 461-466. [12] HWANG L D, KIM H S , KIM B H , KANG M, PARK J W. Effect of potassium on alumina supported chromium oxide catalysts......
process and potassium bronzes under equilibrium conditions [J]. International Journal of Refractory Metals and Hard Materials, 2017, 62: 87-96. [22] WANG Da-hang, SUN Guo-dong, ZHANG Guo-hua......
+的起始沉淀pH为3,随着pH增加,部分钴镍沉淀.综合考虑钴镍锰的沉淀率,选择pH为1进行高锰酸钾氧化沉淀锰的条件. 图12 高锰酸钾氧化过程中pH对金属沉淀效果的影响 Fig. 12 Effect of pH on metal precipitation in potassium permanganate oxidation process 2.4.3 萃取分......
, an industrial waste, belongs to the siliceous material rich in clay minerals. It was composed of oxides and inorganic salts of silicon, calcium, aluminum, iron, magnesium, sulfur, sodium, potassium......
, India), silver nitrate (97%, Merck, India), sulphuric acid (97%, Merck, India), thiourea (99%, Rankem, India), acetic acid (90%-100%, Emplura, India), graphite (≥97%, Merck, India), potassium......
and transformation and can coexist. AS roasting is a potential cleaner production process with low energy consumption and high selectivity [24]. ZHANG [25] reported the ammonium sulphate and potassium sulphate......