calcium
Title: calcium
Category: Science & Technology | Words: 1188 | Pages: 5.1 (approximately 235 words/page)
calcium
The importance of calcium minerals in our daily lives
INTRODUCTION
Calcium is a fairly hard material found naturally through the earth. It is one of the most abundant elements on earth, forming over 3% of the earth’s crust. Calcium has 6 stable and several radioactive isotopes. Refer to figure 1 for the properties of calcium and figure 2 for a picture of what calcium looks like. If calcium was no longer available anywhere and it was not possible
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used to bond bricks together or to bind stones and gravel to make concrete. Because there is an absence of calcium oxide we could use thermosetting adhesives. Which works like contact adhesives (cement). It is feasible but thermosetting adhesives are irreversible chemical and physical change. Which could produce some problems as once it is set it is extremely had to remove unlike contact adhesives. Therefore it is a good solution to the absence of cement.
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