Using a Three-Point pH Calibration versus a Two-Point pH Calibration
{"nid":"7131","uuid":"3a250403-1c73-4bc2-a1e8-e8d7f5b863bc","vid":"7976","langcode":"und","revision_timestamp":"1656614967","status":"1","title":"Using a Three-Point pH Calibration versus a Two-Point pH Calibration","created":"1530551592","changed":"1692131364","promote":"0","sticky":"0","default_langcode":"1","revision_default":"1","revision_translation_affected":"1","path":{"alias":"\/resources\/tech-notes\/using-three-point-ph-calibration-versus-two-point-ph-calibration","pid":"13811","langcode":"und"},"body":"<p>In order to guarantee the accuracy of your readings, it is necessary to bracket the expected pH values with at least two buffers. For example, if the sample is usually close to a pH of 8.00, then you will want to at least calibrate in pH 7.00 and pH 10.00 buffer. If you are expecting the pH to be in both the acidic and basic ranges, then a three-point calibration should be used.<\/p>","applications":["Water Resource Management"],"associated_products":["MX2501"],"brand":"HOBO","documentation_hoboconnect":"0","documentation_intemp_app":"0","documentation_is_datasheet":"0","meta_tags":"a:1:{s:6:\"robots\";s:7:\"noindex\";}","product_family_series":"MX Family","resource_topic":["Getting Started"],"resource_type":"Tech Note","tech_note_audience":["External"],"tech_note_type":["Measurement and accuracy"]}
In order to guarantee the accuracy of your readings, it is necessary to bracket the expected pH values with at least two buffers. For example, if the sample is usually close to a pH of 8.00, then you will want to at least calibrate in pH 7.00 and pH 10.00 buffer. If you are expecting the pH to be in both the acidic and basic ranges, then a three-point calibration should be used.