---
title: "Lanthanum (7439-91-0): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/lanthanum-7439-91-0/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/lanthanum-7439-91-0/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/lanthanum-7439-91-0/
---

Hazard search

# Lanthanum

CAS number

7439-91-0

Also known as

La · Lanthanum (Elements by Cellulosic Internal Capsule Sampler) · Lanthanum (Elements by ICP Aqua Regia Ashing) · Lanthanum (Elements by ICP HNO3/HClO4 Ashing) · Lanthanum (Elements on Wipes)

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 7300** / Elements by ICP (Nitric/perchloric acid ashing) / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/7300.pdf) | Active (pump) | 0.8µm MCE filter in 37mm cassette | ICP-AES | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **NIOSH 7301** / Elements by ICP (Aqua regia ashing) / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/7301.pdf) | Active (pump) | 0.8µm MCE filter or 5µm PVC filter in 37mm cassette | ICP-AES | [225-3-01](https://analyt-mtc.com/catalog/product/mixed-cellulose-ester-membrane-filters/#part-225-3-01) / [225-803](https://analyt-mtc.com/catalog/product/gla-5000-pvc-membrane-filters/#part-225-803) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **NIOSH 7306** / Elements by Cellulosic Internal Capsule Sampler ICP -AES / [Method document (opens in a new tab)](https://www.cdc.gov/niosh/docs/2014-151/pdfs/methods/7306.pdf) | Active (pump) | Solu-CAP MCE Filters Preloaded in Cassettes and Cassette Holder | ICP-AES | [225-8517](https://analyt-mtc.com/catalog/product/cassette-inserts/#part-225-8517) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |
| **NIOSH 9102** / Elements on wipes by ICP -AES / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/9102.pdf) | Surface | Wipe | ICP-AES | [225-2414](https://analyt-mtc.com/catalog/product/ghost-wipes/#part-225-2414) / [225-2415](https://analyt-mtc.com/catalog/product/ghost-wipes/#part-225-2415) / [225-2415A](https://analyt-mtc.com/catalog/product/ghost-wipes/#part-225-2415a) |

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/)