BCR RMs for speciation studies

The examples given below are related to RMs prepared by BCR for the purpose of certification of a variety of chemical species in environmental matrices. To obtain additional information on each particular project, the reader is referred to a recent compilation of all projects (Quevauviller, 1998b) or to the various papers quoted below. Additional information on CRMs available from other producers is available elsewhere (Quevauviller, 2000). 

Tuna fish CRM 463 MeHg 3.04 0.16 mg kg 1 as MeHg Quevauviller ef al. (1993c) 

Welding dust CRM 545 Crvl 40.2 0.6jug kg 1 as Crvl Vercoutere et al. (1997b) 

---