NICKEL: EXTERNAL EXPOSURE

DETERMINATION OF NICKEL IN AIR

Fonds voor de Beroepsziekten/ Fonds des Maladies Professionnelles
 

Exposure

Nickel

sampler:

  • dust:

Filter polycarbonate Æ 25mm porosity 0.8m

Filterholder: I.O.M. single hole head

  • aerosol:

HNO3 1N impinger

Flow-rate, volume

 ± 2.0 L/min (dust)

± 1.0 L/min (aerosol)

sample stability

Stable

Sample storage and shipping conditions

dust: closed filter holder, shipping to lab within 4 days of sampling

aerosol: closed container, shipping to lab within 4 days of sampling

Analysis:  

Method:

Limit of Detection:

 

atomic absorption spectrometry, flame or graphite furnace

dust: 0.035 mg/m3 for a sampling time of 2 hours (flame)
0.0001 mg/m3 for a sampling time of 2 hours (furnace)

aerosol: 0.07 mg/m3 for a sampling time of 2 hours (flame)
0.0002 mg/m3 for a sampling time of 2 hours (furnace)

Interferences

the presence of high concentrations of iron or chromium (flame)

limit values

(occupationally exposed population)

ACGIH, 2002 (TLV)

                      (STEL)

Inhalable dust: 1.5 mg/m3

DFG, 1998 (MAK)

HSE, 1995 (8h TWA)

(STEL)

KB-AR 11.03.2002
(Grenswaarde Valeur Limite)

(STEL)                        

1 mg/ m3

/

Notes

Aerosol measurements in high temperature environment e.g. melting processes

* Fonds voor de beroepsziekten, Laboratorium, Sterrenkundelaan 1, 1210 Brussel
(   02/226.62.87 fax. : 02/226.68.01    
Contact person: Dr. Sc. R. Nouwen
e-mail: ria.nouwen@fmp-fbz.fgov.be