AOAC: 925.54: Sulfate in Water
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Official Method Name
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Sulfate in Water by Gravimetric Method |
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Current Revision
| 15th Edition (1990) |
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Media
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WATER |
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Instrumentation
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Gravimetry |
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Method Subcategory
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Inorganic |
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Method Source
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Citation
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Brief Method Summary
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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. |
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Scope and Application
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This method is applicable to drinking, surface and saline water, domestic and industrial wastes. |
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Applicable Concentration Range
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None given. |
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Interferences
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Not specified in method. |
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Quality Control Requirements
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Not Included |
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Sample Handling
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No information given. |
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Maximum Holding Time
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Relative Cost
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Less than $50 |
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Sample Preparation Methods
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