---
title: Automatic Conductometry in Water with Low Electrical Conductivity in Accordance with USP<645> Form
description: This application bulletin details the automatic 3-stage measurement of low conductivity samples according to USP<645>.
image: https://appnote.sepscience.com/hubfs/Featured_Applications/June_2018/Metrohm-automatic-conductometry-in-water.png
---

[![Separation Science](https://appnote.sepscience.com/hubfs/Sepscience_Dec2016/images/-resized-strch-SepSci_WebHeader_v3.png)](https://www.sepscience.com/)

# Automatic Conductometry in Water with Low Electrical Conductivity in Accordance with USP<645>

![Metrohm-automatic-conductometry-in-water](https://appnote.sepscience.com/hs-fs/hubfs/Featured_Applications/June_2018/Metrohm-automatic-conductometry-in-water.png?width=300&name=Metrohm-automatic-conductometry-in-water.png)

## Download your copy...

Particularly strict regulations apply to the measurement of the conductivity of water for pharmaceutical use in accordance with USP<645>, e.g., for water for injection. In addition to the highest level of precision, the test must fulfill all of the requirements of U.S. FDA Regulation 21 CFR Part 11. This Bulletin details the automatic 3-stage measurement of low conductivity samples according to USP<645>.

To download your copy of this application note complete the form opposite.

By requesting this application note, your details will be shared with Metrohm \[sponsor\] who may contact you about their products or services. We will not otherwise disclose your personal data to anyone else unless we have your permission as detailed in our [Privacy Policy](http://www.sepscience.com/privacy-policy).

Eclipse Business Media Ltd, Regd in England, No. 06513189, Woodview, Bull Lane Industrial Estate, Sudbury, CO10 0FD, United Kingdom, T +44 (0)161 818 7434, [info@sepscience.com](mailto:info@sepscience.com)

 

Eclipse Business Media Ltd needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time. For information on how to unsubscribe, as well as our privacy practices and commitment to protecting your privacy, check out our [Privacy Policy](https://www.sepscience.com/privacy-policy/) or contact [privacy@labxmediagroup.com](mailto:privacy@labxmediagroup.com) 

Copyright © 2025. All rights reserved

[Contact Us](https://www.sepscience.com/contact-us/)  
[Advertise with Us](https://www.sepscience.com/advertise-with-us/)