What are the specifications for Hach's ultrapure water?

Document ID

Document ID TE7042

Version

Version 3.0

Status

Status Published

Published Date

Published Date 03/27/2018
Question
What are the specifications for Hach's ultrapure water?
Summary
Ultrapure water specifications
Answer
The Water, Ultrapure, 100 mL (Product # 2594642) and Water, Aldehyde-Free 500 mL (Product # 2594649) are produced on a Barnstead™ Nanopure™ system and must be >18 megohms. It is tested specifically for silica (<7 ug/L) and for the absence of aldehydes.

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