Table 1.

Concentrations of selected elements in fly ash from the MWI plant in Hinwil, Switzerlanda

ElementDetection method(s)bConcn in fly ash (g kg−1)SE (%)
AlA, B, C705.5
CaA, B, C1325.5
CdB0.4915.0
ClB4.715.0
CrA, B0.77.9
CuB1.115.0
FB8.015.0
FeA, B, C285.5
HgB<0.0115.0
KA, B, C125.5
MgA, B, C145.5
MnA, B, C0.775.5
NaA, B, C115.5
NiA, B0.147.9
PbB, C8.911.1
SB, D307.9
SiA, B1007.9
SnB9.315.0
TiA, B127.9
VB0.1315.0
ZnB, C317.9
Loss of combustion (1 h, 950°C)126NDc
  • a Data reproduced from reference27 with permission. The measured concentrations allowed us to determine approximate leaching efficiencies.

  • b A, X ray fluorescence with a glass specimen (standard error, ±5%); B, X ray fluorescence with a compacted powder specimen (standard error, ±15%); C, inductively coupled plasma atomic absorption spectroscopy (standard error, ±5%); D, infrared detection after oxidation at 2,000°C (standard error, ±5%).

  • c ND, not determined.