total hardness of water 英[ˈtəutəl ˈhɑ:dnɪs ɔv ˈwɔ:tə] 美[ˈtotl ˈhɑrdnɪs ʌv ˈwɔtɚ] 释义 水的总硬度 实用场景例句 全部 Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality. 采用EDTA滴定法...
美 英 un.水的总硬度 英汉 un. 1. 水的总硬度 释义: 全部,水的总硬度
FRESH waterWEIGHT gainBLOOD sugarSEAWATERThe aim of this study was to evaluate the effects of three fresh-water samples with different hardness values (25, 250, and 750 mg L-1 CaCO3) and a control (sea water with salinity 15% and hardness 2500 卤 130.9 mg...
质量水平100 描述semi-quantitative 产品线MQuant® specific analyte(s)calcium, magnesium water hardness measuring range3-21 °d 4-26 °e 5-37 °f detection methodcolorimetric 储存温度15-25℃ 安全信息 储存分类代码11 - Combustible Solids WGKWGK 1...
aIn order to make hard water with a total hardness equivalent to 1000 ppm, 0.01 M CaCl2 and 0.02 M NaHCO3 were mixed and dissolved in tap water. 为了做硬水以总坚硬相当于1000 ppm, 0.01 M氯化钙和0.02 M NaHCO3是混杂和溶化在自来水。 [translate] ...
Water hardness (total) test sticks Aquadur, 3-21°d |水(总)硬度测试条 AQUADUR,3-21°D 基本信息 更多信息 中文名称: 水(总)硬度测试条 AQUADUR,3-21°D 中文同义词: 水(总)硬度测试条 AQUADUR?,3-21°D 英文名称: Water hardness (total) test sticks Aquadur, 3-21°d 英文同义词: Water ...
Determination of total hardness of water by complexometric titration of calcium and magnesium with EDTA at pH 10 using a Phototrode and Erio T color indicator. Fill out the form to access the application files 工作邮箱* 我确认已经阅读并理解我的mt.com网站的 使用条款 和隐私声明 并同意这些条款...
The proposed method overcame the deficiencies of the standard method. By measuring the total hardness in surface water, groundwater and standard samples using the standard method and the improved method, the results had no significant differences. Key words: EDTA titration total hardness water buffer...
[Objective]To understand the change of total hardness of urban drinking water in Wuhan City from 2011-2017,analyze its variation and distribution,and provide scientific basis for relevant departments.[Methods]The data were derived from the laboratory system of Wuhan Center for Disease Control and Pre...
The total hardness of water, expressed as CaCO3 content of water is determined by complexometric titration of calcium and magnesium at pH 10 using EDTA. The color change of the Erio T indicator (violet to blue) at the equivalence point is sensed by a photometric sensor DP5 Phototrode™. ...