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滴定碘法

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METHODS: The concentration of ozone that was transmitted by ozone generator at different time was determined by using iodine titrimetric method. According to the bactericidal assay of quantitative vehicle, the bacteria on the ozonized vehicles and unozonized vehicles was washed, 50μl eluant was seeded on the TSA plates. The TSA plates were put into the anaerobiotic incubator (90% N2, 10% CO2, 37℃). After 24 to 48 hours, the CFU on the plate was counted.

用碘滴定法测定打开臭氧发生器不同机组及不同时间时的臭氧浓度,按载体定量杀菌试验,将经臭氧作用的载体与相同环境下未经臭氧作用的载体上的细菌洗下,各取洗脱液50μl,接种于TSA平板并置厌氧箱(90%N2, 10%CO2, 37℃)培养24~48h后,进行活菌菌落计数。

The graphite and acetylene black are added to a anode material in making Zn-Mn battery, therefore the sample solution prepared appears as feculency and the titration end point of the solution is difficult to judge when active manganese in the battery is determined by iodimetry with starch as a indicator.

在测定锌锰干电池锰粉中活性二氧化锰含量时,由于制备电池时正极锰粉中添加了乙炔黑、石墨等导电材料,使制得的样品溶液显色且混浊,影响用淀粉作为指示剂进行碘量法滴定终点的判断。

The iodometric titration was used to determine the oxida- tion state of Fe ions and the oxygen nonstoichiometry in La1-xSrxFeO3-δ.

9的化学相容性;利用碘滴定法测定了该系列产物中Fe元素的平均表观化合价和氧的非化学计量值。

The iodometric titration was used to determine the oxida- tion state of Fe ions and the oxygen nonstoichiometry in La1-xSrxFeO3-δ.

用FTIR、TG-DTA、XRD等对产物形成过程及结晶学特征进行了研究,考察了合成样品与Sm0.2Ce0.8O1.9的化学相容性;利用碘滴定法测定了该系列产物中Fe元素的平均表观化合价和氧的非化学计量值。

The oxygen nonstoichiometry values of the materials were measured by iodometric titration method. The results indicate the oxygen nonstoichiometry of doped LaCoO3-δ ceramics increase with increasing Co/Fe ratio.

采用碘滴定法测定了合成氧化物的氧非化学计量值,结果说明氧空位浓度随掺杂铁含量的提高而降低。

Determination of its content by idometry is performed and the effect of acidifying with acetic acid and hydrochloric acid on the result of the test is investigated.

采用碘法滴定测其含量,并探讨了醋酸酸化和盐酸酸化对测定结果的影响。

According to the bactericidal assay of quantitative vehicle, the bacteria on the ozonized vehicles and unozonized vehicles was washed, 50μl eluant was seeded on the TSA plates.

用碘滴定法测定打开臭氧发生器不同机组及不同时间时的臭氧浓度,按载体定量杀菌试验,将经臭氧作用的载体与相同环境下未经臭氧作用的载体上的细菌洗下,各取洗脱液50μl,接种于TSA平板并置厌氧箱(90%N2,10%CO2,37℃)培养24-48h后,进行活菌菌落计数。

Iodimetric titration is a standard method for the determination of sulphur dioxide in food samples.

酸蒸馏碘滴定法是测定一般食物中二氧化硫含量的一个标准检测方法。

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