SRM 3185 Nitrate Anion (NO3-) Standard Solution

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Metadata Last Checked: June 27, 2025 | Last Modified: 2016-09-06 00:00:00

This Standard Reference Material (SRM) is intended as a primary standard for the quantitative determination of nitrate using anion ion chromatography (IC) or other methods. A unit of SRM 3185 consists of five 10 mL sealed borosilicate glass ampoules of solution. The solution is prepared gravimetrically to contain a known mass fraction of nitrate dissolved in filtered (0.22 µm) water having a minimum resistivity of 18 megaohm centimeters. This data is public in the Certificate of Analysis for this material.

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Complete Metadata

bureauCode	[ "006:55" ]
identifier	4765EE7CC5E7A396E0531A57068160031708
landingPage	https://www-s.nist.gov/srmors/view_detail.cfm?srm=3185
language	[ "en" ]
programCode	[ "006:052" ]
theme	[ "Standards:Reference materials" ]