hydrochloricacid是什么

Pure Hydrochloric Acid (HCl) is an inorganic acid. It is also known as muriatic acid and aqueous hydrogen chloride. It is a clear, colorless to light yellow liquid at room temperature with a potentially irritating odor. It has an approximate Ka of 1.3 x 10-6, and as such Hydrochloric Acid is a strong acid.

Hydrochloric Acid has a wide range of uses including as a lab reagent, in the manufacture of polyvinyl chloride (PVC), as a cleaning agent especially on masonry, in ‘steel pickling’, a process to clean and purify steel, and in pH control in both industrial and home use such as the regulation of the acidity of swimming pools. It is a ‘workhorse’ reagent in the chemical industry with a multitude of uses.

hydrochloricacid中文

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Safe water marks indicate that there is navigable water all around the mark. They are often used to indicate fairways or midchannels, or the seaward end of channels. Safe water marks are colored with red and white vertical stripes. Beacons have an octagonal daymark; red and white buoys are spherical or display a red spherical topmark.