---
title: "Rhodium (fume and dust) (7440-16-6): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/rhodium-fume-and-dust-7440-16-6/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/rhodium-fume-and-dust-7440-16-6/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/rhodium-fume-and-dust-7440-16-6/
---

Hazard search

# Rhodium (fume and dust)

CAS number

7440-16-6

Also known as

Rh · Rhodium (metal fume & dust) as Rh · Rhodium (soluble salts) · Rhodium (soluble salts) as Rh

## UK workplace exposure limits

| Limit | Value | Applies to |
| --- | --- | --- |
| 8-hour TWA | 0.1 mg/m³ | Rhodium (fume and dust) |
| 15-minute STEL | 0.3 mg/m³ | Rhodium (fume and dust) |
| 8-hour TWA | 0.001 mg/m³ | Rhodium (soluble salts) |
| 15-minute STEL | 0.003 mg/m³ | Rhodium (soluble salts) |

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **MDHS 91/2** / Metals & metalloids by XRF / [Method document (opens in a new tab)](http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs91-2.pdf) | Active (pump) | IOM with 0.8µm MCE filter | XRF | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-1930](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-1930) |
| **BS ISO 15202-1:2020** / Metals and Metalloids by ICP -AES / [Method document (opens in a new tab)](https://shop.bsigroup.com/ProductDetail?pid=000000000030383009) | Active (pump) | IOM with MCE filter |  | [225-70A](https://analyt-mtc.com/catalog/product/haz-dust-7204-particulate-monitor/#part-225-70a) / [225-1930](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-1930) |

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: [SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)