NEMI Method Summary


Method Summary Information

Method Number:

925.54

Media:

WATER

Revision:

15th Edition (1990)

Method Source:

AOAC International

Subcategory:

INORGANIC

Analytes in this method

Official Name:

Sulfate in Water by Gravimetric Method

Descriptive Name

Sulfate in Water

Source Info:

AOAC International
481 North Frederick Avenue
Suite 500
Gaithersburg, Maryland 20877-2417 USA
Phone: 1-301-924-7077 (worldwide), or 1-800-379-2622 (toll-free from North America)
Fax: 1-301-924-7089
E-mail: aoac@aoac.org

Citation:

AOAC Methods Volume 1, 16th Ed. (1998)

Brief Method
Summary:

Sulfate is precipitated as barium sulfate in a hydrochloric acid medium by the addition of barium chloride. Cover and let stand on steam bath for 12 hours to precipitate all sulfate as barium sulfate. Filter, wash barium sulfate precipitate with hot water until Cl-free, dry, ignite over burner, and weigh.

Scope And
Application:

This method is applicable to drinking, surface and saline water, domestic and industrial wastes.

Applicable
Conc Range:

None given.

Interferences:

Not specified in method.

QC Requirements:

Not Included

Sample Handling:

No information given.

Max Holding Time:

Relative Cost:

Less than $50

URL to obtain ordering information for this method:

http://www.aoac.org/pubs/oma.htm

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Method Summary Information