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Sugar sand has multiple meanings: Sugar sand refers to the debris that settles to the bottom of a container of maple sap once it has reached a sugar concentration of 66-67%. It must be filtered out to complete the maple sugaring process. The substance's main constituent is a calcium salt of malic acid. Sugar sand is also the local name for a type of fine sandy soil found in the Pine Barrens of the U.S. state of New Jersey. In the U.S. state of Kansas, a type of granular calcite found in Ness and Hodgeman counties is also referred to as "sugar sand". Sugar sand as a soil type is a component of the mud mixture used by Major League Baseball as an abrasive to condition new baseballs. It dulls the shiny, slick surface and softens the leather. Sugar sand mud is rubbed into new balls by hand before they are used in play. == References == (【引用サイトリンク】website=Weird N.J. ) Warren, W.H. "('Sugar Sand' From Maple Sap; A Source of Malic Acid )". 1911, 33 (7), pp 1205–1211 DOI: 10.1021/ja02220a024 Publication Date: July 1911 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sugar sand」の詳細全文を読む スポンサード リンク
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