查询词典 alkalimetric titration

This paper studies on a new method of determining Cu in foliar microelement fertilizer containing humic acid by using oscillo-titration .

本文研究了利用示波滴定技术测定含腐植酸的叶面肥中铜含量的新方法。

A direct titration method for determination of L-ascorbyl palmitate in edible oils has been developed.

研究了直接滴定法测定食用油中 L-抗坏血酸棕榈酸酯的方法。

Result The overall results of pararosaniline hydrochloride were larger than that of advanced constants distillation trace titration but the difference was slight. The SO2 residues of three kind of Konjac powder were Yunnan Jianjing white konjac 2.35 g/kg; Sichuan Yibin white konjac 2.21 g/kg; Sichuan Yibin flower konjac 1.93 g/kg.

结果］盐酸副玫瑰苯胺法测定的整体结果比常量蒸馏微量滴定法的结果偏大，但差异不显著；测得3种魔芋精粉的SO2残留量分别为云南健晶白芋2.35 g/kg；四川宜宾白芋2.21 g/kg；四川宜宾花芋1.93 g/kg。

Titration of potassium permanganate is simple, easy in the advantages of equipment.

高锰酸钾滴定法具有操作简单、仪器易得等优点。

Evaluation of the effect on determination of COD in drinking water by Acidic potassium permanganate titration .

评估酸性高锰酸钾滴定法[1]对生活饮用水中耗氧量检测结果的影响。

The instrument is designed according to Chinese Pharmacopoeia 2005 edition of the capacity analysis requirements of the end-point titration.

概述 本仪器是根据中国药典2005版对容量分析永停滴定法的要求而设计的一款新颖微电脑控制的自动永停滴定仪。

In addition, the stability of ternary Cu 〓complexes polypyridyl=1, 10-phenanthroline (Phen , pyrido [3, 2-f] [1, 7] phenanthroline , 1, 4, 8, 9-tetraazatriphenylene , dipyrido [3, 2-a: 2'3'-c] phenazine , imidazo phenanthroline and 2-phenylimidazo phenanthroline , NTP=ATP and UTP was studied by potentiometric pH titration in water at temperature 15℃, 25℃ and 35℃, and in 30% and 50% aqueous dioxane solution at 25℃.

另外，用pH电位滴定法研究了多吡啶芳香配体polypyridyl配合物Cu〓（PL=1，10-邻菲咯啉、吡啶并[3，2-f][1，7]邻菲咯啉、1，4，8，9-四氮三联苯、二吡啶并[3，2-a∶2'3'-c]吩嗪和2-苯基咪唑并邻菲咯啉或咪唑并邻菲咯啉）在不同温度（15℃、25℃和35℃）水溶液及30%和50%二氧六环-水混和溶剂（25℃）中的稳定性。

The titration of SO(superscript 2- subscript 4) was carried out using the standard solution of NaOH, with the phenolphthalein as an indicator.

考察了沉淀剂用量、溶液酸度、干扰离子及指示剂的选择对测定的影响。

Make use of primarily to try differently, make use of to divide light photometer and titration methods.

对苹果中的葡萄糖含量采用葡萄糖氧化酶法，蒽酮法，碘量法等三种不同的方法进行比较研究。

Additionally, the oxidation degree or thealdehyde contents were measured by using photometry and titration methods.

采用直接法和间接法测定了氧化海藻酸钠的氧化度，以粘度法表征了相对分子质量。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。