Singers in Russian Military Choir Among 92 Feared Dead After Plane Crashes Into Black Sea. Russian Military Plane Crashes into Sea. Shortly after takeoff on Sunday morning, a Russian military plane carrying 92 people crashed into the Black Sea near Sochi.
Keywords: chloride in concrete, near-infrared spectrometry, rapid determination. 1. INTRODUCTION. 1.1 Background. Penetration of chloride ions into concrete is a well-known problem, because it eventually results in. corrosion of rebars, leading to cracks, spalling, delamination and other roadway defects [1]. The problem is. particularly acute in bridge decks, which are subject to frequent salt applications during the winter months.
The anhydrous form of calcium chloride may also be used for this purpose and can provide a measure of the moisture in concrete. Calcium chloride is used in swimming pool water as a pH buffer and to adjust the calcium hardness of the water.alcium chloride can serve as a source of calcium ions in an aqueous solution, as calcium chloride is soluble in water.