| Selected Document Category: | Published Document | 
| Source: | International Organization for Standardization | 
| Anticipated Publication Year: | 2017 | 
| Publication Year: | 2018 | 
| Acronym: | ISO | 
| Identifier: | TR 20489 | 
| Document Title: | Nanotechnologies — Sample preparation for the characterization of metal and metal-oxide nano-objects in water samples | 
| url: | https://webstore.ansi.org/Standards/ISO/ISOTR204892018 | 
| Scope: | This document provides an overview of approaches of sample preparation (i.e. pre-treatment and size-fractionation) for analytical measurements applied to surface and drinking water, potentially containing relevant amounts and types of metal and metal oxide nano-objects, including collection from source and storage of samples, pre-concentration of analytes, and their fractionation. | 
| Keywords: | sample preparation; metal; metal oxides; nano-objects; water | 
| Type of Document: | a. Standard | 
| Issues Areas: | Measurement and Characterizations | 
| Primary Category: |  | 
| Additional Categories |  | 
| Goal or Need: |  | 
| Intended Stakeholders: |  | 
| Is it Being Implemented: |  | 
| Submitter's Name: | Heather Benko | 
| Submitter's e-mail: | [email protected] | 
| Submitter's Company: | American National Standards Institute | 
| Additional Comments: |  | 
| Contact for Additional Info: | Naoyuki Taketoshi; n-taketoshi at aist.go.jp | 
| Selected Document Category: | Published Document | 
| Source: | International Organization for Standardization | 
| Anticipated Publication Year: | 2017 | 
| Publication Year: | 2018 | 
| Acronym: | ISO | 
| Identifier: | TR 20489 | 
| Document Title: | Nanotechnologies — Sample preparation for the characterization of metal and metal-oxide nano-objects in water samples | 
| url: | https://webstore.ansi.org/Standards/ISO/ISOTR204892018 | 
| Scope: | This document provides an overview of approaches of sample preparation (i.e. pre-treatment and size-fractionation) for analytical measurements applied to surface and drinking water, potentially containing relevant amounts and types of metal and metal oxide nano-objects, including collection from source and storage of samples, pre-concentration of analytes, and their fractionation. | 
| Keywords: | sample preparation; metal; metal oxides; nano-objects; water | 
| Type of Document: | a. Standard | 
| Issues Areas: | Measurement and Characterizations | 
| Primary Category: |  | 
| Additional Categories |  | 
| Goal or Need: |  | 
| Intended Stakeholders: |  | 
| Is it Being Implemented: |  | 
| Submitter's Name: | Heather Benko | 
| Submitter's e-mail: | [email protected] | 
| Submitter's Company: | American National Standards Institute | 
| Additional Comments: |  | 
| Contact for Additional Info: | Naoyuki Taketoshi; n-taketoshi at aist.go.jp |