Magnesium citrate is a magnesium preparation in salt form with citric acid in a 1:1 ratio (1 magnesium atom per citrate molecule). The name magnesium citrate is ambiguous and sometimes may refer to other salts such as trimagnesium citrate which has a magnesium:citrate ratio of 3:2.
A cement is a binder, a substance that sets and hardens and can bind other materials together. The word cement can be traced back to the Roman term opus caementicium, used to describe masonry resembling modern concrete that was made from crushed rock with burnt lime as binder.he most important uses of cement are as a component in the production of mortar in masonry, and of concrete, a combination of cement and an aggregate to form a strong building material.
Properties of Concrete ïº Concrete is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates. Properties of Concrete ïºWhile cement in one form or another has been around for centuries, the type we use was invented in 1824 in Britain.ïºIt was named Portland cement because it looked like the stone quarried on the Isle of Portland.Stages of hydration: Properties of Concrete ïº Range in proportions of materials used in concrete, by absolute volume. ïº Bars 1 and 3 represent rich mixes with small size aggregates.