0) buffer solution under ultrasonic condition and the chromatogenic reaction occurred from the complexation of released ferrous ions with 1,10-phenanthroline in the present of EDTA which effectively restrain the photoreduction effect of Fe(Ⅲ).
建立了在超声波作用下,HAc-NaAc缓冲溶液和邻二氮菲选择性溶解分光光度法直接测定碳酸盐相中微量亚铁的方法。
The behavior and control of cobalt in formation of Co-ferrite by oxidation-hydrolysis of aqueous ferrous solution were investigated.
研究了硫酸亚铁溶液经空气氧化水解生成铁酸盐的过程 ,以及此过程中钴的行为与控制。
This study explored the effects of the kinds of ferrous salts,hydrolysis time,co-incubation time,mass ratio,reaction pH and temperature on the chelating activity of casein hydrolysate with ferrous salt,in order to prepare some basic data for preparation of a product rich in bio-iron.
05);不同酶解时间获得的酪蛋白酶解产物与FeSO4的螯合能力不同,7h时获得的酶解产物螯合FeSO4的能力最强;当酪蛋白酶解产物与FeSO4共同作用10min、硫酸亚铁与酪蛋白酶解产物的质量比为1:2、反应体系pH为6。
A rapid and simple determination of ferrous iron in reduced ilmenite was described.
拟定了一种快速简便的差减法来测定还原钛铁矿中的亚铁，即一份试样用三氯化钛－钨蓝重铬酸钾法测出全铁的百分含量Ａ；另一份试样用ＦｅＣｌ３溶液浸取，重铬酸钾滴定法测出金属铁的含量Ｂ。
The test of air flows impact on the quick oxidization of Fe 2++ by Bacteria is carried out in at urainum mine with the self made bio reactor and ferrous oxide thiobacilli collected and domesticated by ourselves.
用自制的生物反应器和自行采集 ,驯化的氧化亚铁硫杆菌 ,在地浸矿山进行通气量对细菌快速氧化亚铁的影响试验 ,试验结果表明 :对特定的生物反应器 ,其它条件不变时 ,在某一溶液流量范围的每一流量都有与之对应的最佳通气量。
The tests about the effects of flux of solution on bacteria oxidizing Fe 2++ quickly in in situ leaching of uranium have been completed at uranium mine.
用自制的生物反应器和自行采集驯化的氧化亚铁硫杆菌 ,在地浸矿山进行了流量对细菌快速氧化 Fe2 +的影响试验 ,得到了溶液流量不同时反应器中电位及 Fe2 + 随时间的变化关系。