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ASTM C1318-95

Historical Revision

Standard Test Method for Determination of Total Neutralizing Capability and Dissolved Calcium and Magnesium Oxide in Lime for Flue Gas Desulfurization (FGD)

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1.1 This test method covers analysis of magnesian, dolomitic and high-calcium limes for total neutralizing capability and dissolved major oxides. Dissolved calcium and magnesium are the major species that neutralize acid under the conditions of the test.

1.2 The test conditions are chosen to measure the acid-neutralizing capacity of both calcium hydroxide and magnesium hydroxide contained in slaked lime. By controlling the neutralization pH at 6, magnesium hydroxide and magnesium oxide are titrated in addition to calcium hydroxide fraction.

1.3 This test method also determines the fraction of Mg ions present in the lime that will dissolve under lime flue gas desulfurization (FGD) conditions. Because the Mg++ ion alters FGD performance, it is important to know its concentration.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number C1318
Publication Date Jan. 1, 2001
Language en - English
Page Count 3
Revision Level 95
Supercedes
Committee C07.05
Publish Date Document Id Type View
Dec. 1, 2015 C1318-15A Revision
June 1, 2015 C1318-15 Revision
Jan. 1, 2001 C1318-95R01 Revision
Jan. 1, 2001 C1318-95 Revision
Dec. 1, 2020 C1318-15AR20 Reaffirmation
June 1, 2009 C1318-95R09E01 Reaffirmation