Hach Co.: 8156: pH in Water
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Official Method Name
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pH in Water Using a Portable Hach One Meter; Two-Standard Calibration in Automatic Mode With Temperature Probe |
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Current Revision
| 1997 |
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Media
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WATER |
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Instrumentation
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pH Meter |
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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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This method requires the use of an electrode and pH meter. |
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Scope and Application
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This method is applicable to determining pH in drinking water, surface and ground waters, and domestic and industrial wastewaters. |
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Applicable Concentration Range
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None given. |
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Interferences
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Sodium error, usually present in alkaline solutions, is low, but increases at pH values higher than pH 11. |
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Quality Control Requirements
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Not included. |
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Sample Handling
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Collect samples in plastic or glass bottles. Fill completely and cap tightly. Refrigerate at 4oC and analyze within 6 hours. |
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Maximum Holding Time
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6 hours |
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Relative Cost
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Less than $50 |
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Sample Preparation Methods
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