Standard Test Method for Chloride Ions in Brackish Water, Seawater, and Brinesdoi:ASTM D4458-15(2023)1.1\n此测试方法\n2.\n适用于油田盐水,海水和微咸水等高矿化水中氯化物的测量.试验方法基于使用视觉指示剂用硝酸银滴定氯化物.\n1.2\n样本包含10个mg至150mg的氯化物可以通过该测试方法进行分析.这些...
1. Sodium carbonate ---> no reaction 2. Sodium chloride ---> white ppt. formed 3. Sodium sulphate ---> no reaction 4. Common salt from sea water ---> white ppt. formed acidified silver nitrate solution can test for chloride ions (二)Besides sodium suggest another species t...
12.Analysis of Damage Mechanism for Concrete Exposed to Wetting-Drying and Sulfate Environment干湿循环-硫酸盐侵蚀下混凝土损伤机理的分析 13.Diffusion characteristics of chloride ions in concrete under cyclic wetting-drying干湿循环下混凝土中氯离子的一些扩散特性 14.The Research on the Cracking Property of ...
Determination of chloride ion in water quality Glassware Determination of silver nitrate Determination of calcium and magnesium ions in water Glassware GB / T 15452-1995 EDTA single measurement method Determination of nitrate in water Glassware Methods for detection and analysis of water and wastewat...
and they are capable of staying submerged in water for up to 30 minutes. Though their early life is spent mostly in trees, as they grow in size, the pythons will transition to the ground where they stalk their prey using chemical receptors in their tongues and temperature-sensitive mechanisms...
aAmphora’s PERMIT Ion Migration Test was used to investigate methods for improving the resistance of the concrete to the penetration of chloride ionswithin the cover region. 油罐的许可证离子迁移测试用于调查方法为改进混凝土的抵抗对氯化物ionswithin的渗透盖子区域。[translate]...
The measurements were carried out in 3 replicates, and the given concentrations are the average of all measurements for the sample. Accredited laboratory analyses were provided by EKOLAB, according to the EPA Method 200.7: Determination of Metals and Trace Elements in Water and Wastes by ...
1. a soft, silver-white, chemically active metallic element that occurs naturally only in combination: a necessary element in the body for the maintenance of normal fluid balance and other physiological functions. Symbol: Na; at. wt.: 22.9898; at. no.: 11; sp. gr.: 0.97 at 20°C. 2...
The results were expressed either as percentage of administered dose per min or as cumulative recovery in percent of administered dose. For feces collection, animals were housed in individual meta- bolic cages with free access to water and a standard diet contain- ing 6% fat. After 3 days, ...
An accelerated corrosion test under complex environment shall be performed in accordance with CCT-B of MS600-66 Step 1: Salt Spray @ 35C / 95% RH for 4 hours Step 2: Drying @ 70C / 30%RH for 2 hours Step 3: Wetting @ 50C / 95%RH for 2 hours ...