---
title: "2,4,7-Trinitro-9-fluorenone (129-79-3): sampling methods"
url: https://analyt-mtc.com/tools/hazard-search/2-4-7-trinitro-9-fluorenone-129-79-3/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/2-4-7-trinitro-9-fluorenone-129-79-3/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/2-4-7-trinitro-9-fluorenone-129-79-3/
---

Hazard search

# 2,4,7-Trinitro-9-fluorenone

CAS number

129-79-3

Also known as

2,4,7-Trinitrofluoren-9-one · 2,4,7-Trinitrofluoren-9-one (TNF) · TNF

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **NIOSH 5018** / 2,4,7-Trinitrofluoren-9-one by HPLC/UV / [Method document (opens in a new tab)](http://www.cdc.gov/niosh/docs/2003-154/pdfs/5018.pdf) | Active (pump) | 0.5µm PTFE filter in cassette | HPLC-UV | 227-17-04 / [225-3LF](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-3lf) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) / [225-17-04](https://analyt-mtc.com/catalog/product/ptfe-polytetrafluoroethylene-filters/#part-225-17-04) |

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/)