ASTM C191-13
ASTM C195-07(2013)..
ASTM C196-00(2010)..
ASTM C198-09(2013)..
ASTM C204-11
ASTM C206-03(2009)..
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ASTM C400-98(2013)
Standard Test Methods for Quicklime and Hydrated Lime for Neutralization of Waste Acid
STANDARD published on 1.7.2013
The information about the standard:
Designation standards: ASTM C400-98(2013)
Note: WITHDRAWN
Publication date standards: 1.7.2013
SKU: NS-13253
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM C400-98(2013) :
Keywords:
acid value, alkalinity, basicity, lime requirement, liming material, neutralization, neutralization coefficient, pH, waste acid, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)
Additional information
| Significance and Use | ||||
|
4.1 Since all limes and waste acid solutions are different, this test method evaluates the relative quantity of a given lime needed for the neutralization of a specific quantity of acid. 4.2 Liming materials have a specific basicity factor or measure of alkalinity which can be used for comparing their relative neutralizing power. It avoids dependence on chemical analysis and is determined as grams of calcium oxide equivalents per kilogram of liming material. 4.3 Likewise, specific waste acids have an acid value that can be expressed as grams of hydrochloric acid equivalent per litre of acid waste. This value is related on a stoichiometric basis to lime neutralization requirements of a liquid acid waste. |
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| 1. Scope | ||||
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1.1 This test method covers the testing of quicklime and hydrated lime for use in the treatment of waste acid solutions and includes the characterization of the liming material and of the acid waste. 1.2 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.
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| 2. Referenced Documents | ||||
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