ASTM D928-03(2009)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D928 −03 (Reapproved 2009)
Standard Specification for
Sodium Bicarbonate
This standard is issued under the fixed designation D928; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D501 Test Methods of Sampling and Chemical Analysis of
Alkaline Detergents
1.1 This specification covers material suitable for use in
various washing, cleaning, and scouring processes, with or
3. Ordering Information
without soap as conditions demand, and where a mildly
alkaline material is desired. (Warning—This material may be
3.1 Sodium bicarbonate shall be purchased by net weight.
hazardous if not properly managed. Precautionary information
for the safe use, storage, and disposal of this material should be
4. Chemical Composition
preliminarily obtained from suppliers and others. In case of
personal accident with this material, apply appropriate first aid; 4.1 Sodium bicarbonate (NaHCO ) as received shall con-
telephone nearest Poison Control Center for assistance, and get
form to the following requirements as to chemical composi-
medical attention immediately.)
tion:
Na CO , max, % 0.4
2 3
2. Referenced Documents
NaHCO , min, % 99.6
Matter insoluble in water, max, % 0.1
2.1 ASTM Standards:
5. Other Requirements
This specification is under the jurisdiction ofASTM Committee D12 on Soaps
and Other Detergents and is the direct responsibility of Subcommittee D12.12 on 5.1 Sodium bicarbonate shall be a white, uniform powder.
Analysis and Specifications of Soaps, Synthetics, Detergents and their Components.
Any caking shall be capable of being readily disintegrated.
Current edition approved Oct. 1, 2009. Published December 2009. Originally
approved in 1947 as D928
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