Does Hach carry a zero dissolved oxygen standard?

Document ID

Document ID TE7030

Version

Version 5.0

Status

Status Published

Published Date

Published Date 09/19/2018
Question
Does Hach carry a zero dissolved oxygen standard?
Summary
availability for zero standard for dissolved oxygen.
Answer
Zero standards for dissolved oxygen are only viable for 30 minutes after they are prepared. Unfortunately this means that It's impossible for a prepared standard to be available for purchase. For more information and instructions on how to prepare a zero standard see When is it recommended to perform a zero calibration on the IntelliCAL™ LDO101 Standard Luminescent/Optical Dissolved Oxygen probes?

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