| Matrix | Application | Ashing vessel | Conditions | Detection | Reference |
| Alfalfa | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Artichoke leaves | Ca, Fe, K, Mg, Mn, Zn | Silicon ring | 30 min at 650 W, 10 min at 0 W |
F-AAS | (D2) |
| Bean | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Blood | Pb | Quartz test tubes | 30 min at 700 W | ASV DPP |
(D3) |
| Citrus | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Coal | Residual ash | Quartz fiber crucibles | 30 min at 750°C | Weight | (D4) |
| Coal | Residual ash | Porcelain crucibles or quartz fiber crucibles |
45 min at 750°C | Weight | (D5) |
| Coke from coal | Residual ash | Porcelain crucibles or quartz fiber crucibles |
65 min at 750°C | Weight | (D5) |
| Corn | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Dry pet food | Residual ash | Porcelain crucibles or quartz fiber crucibles |
30 min at 600°C | Weight | (D5) |
| Fine paper | Residual ash | Porcelain crucibles or quartz fiber crucibles |
35 min at 800°C | Weight | (D5) |
| High density polyethylene | TiO2 | Porcelain crucible | 3-4 min at 800°C | Weight | (D6) |
High density polypropylene/ titanium dioxide |
Residual ash | Porcelain crucibles or quartz fiber crucibles |
15 min at 800°C | Weight | (D5) |
High density polypropylene/ carbon black filler |
Residual ash | Porcelain crucibles or quartz fiber crucibles |
12 min at 600°C | Weight | (D5) |
| Human blood | Sb, Te | Oxygen plasma asher | 20 min at 100 W | MIES (microwave induced emission spectrometry) | (D7) |
IAEA Milk powder 11 |
Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hours at 350 W | F-AAS ETV-AAS HG-AAS |
(D8) |
| Linseed | Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hours at 350 W | F-AAS ETV-AAS HG-AAS |
(D8) |
| Low density polyethylene | TiO2 | Porcelain crucible | 1.5-5 min at 800°C | Weight | (D6) |
| Low density polyethylene | SiO2 | Porcelain crucible | 3-4 min at 800°C | Weight | (D6) |
| Milk | Bi, Cd, Cu, Pb, Sb, Zn | Oxygen plasma asher | 10-15 hr at 200 W | DP-ASV | (D9) |
| Milk choclate | Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hr at 350 W | F-AAS, ETV-AAS,HG-AAS | (D8) |
NIST Citrus leaves 1572 |
Ca, Fe, K, Mg, Mn, Zn | Sillicon ring | 30 min at 650 W, 10 min at 0 W |
F-AAS | (D2) |
NIST Tomato leaves 1573 |
Ca, Fe, K, Mg, Mn, Zn | Sillicon ring | 30 min at 650 W, 10 min at 0 W |
F-AAS | (D2) |
| Nutella | Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hours at 350 W | F-AAS ETV-AAS HG-AAS |
(D8) |
| Peanut butter | Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hours at 350 W | F-AAS ETV-AAS HG-AAS |
(D8) |
| Petrochemical sludge | Residual ash | Porcelain crucibles or quartz fiber crucibles |
60 min at 900°C | Weight | (D5) |
| Plankton | Bi, Cd, Cu, Pb, Sb, Zn | Oxygen plasma asher | 10-15 hr at 200 W | DP-ASV | (D10) |
| Polypropylene | TiO2 | Porcelain crucible | 3-4 min at 800°C | Weight | (D6) |
| Potato | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Soybean flour | Cu, Fe, Ni, Zn | Oxygen plasma asher | 6-20 hours at 350 W | F-AAS ETV-AAS HG-AAS |
(D8) |
| Suspended particulate | Bi, Cd, Cu, Pb, Sb, Zn | Oxygen plasma asher | 10-15 hr at 200 W | DP-ASV | (D10) |
| Tomato | B, Ca, Cu, Fe, K, Mg, Mn, P, Zn | Porcelain crucibles | 20 min at 600 W or 40 min at 600 W |
ICP-OES | (D1) |
| Wet pet food | Residual ash | Porcelain crucibles or quartz fiber crucibles | 30 min at 800 oC | Weight | (D6) |
| D1. | Zhang, H.; Dotson, P. in "The Use of Microwave Muffle Furnace for Dry Ashing Plant Tissue Samples"; Agricultural Testing and Research Laboratory, Farmington, NM, 1994 |
| D2. | Morales Rubio, A.; Salvador, A.; De La Guardia, M. Fresenius' J. Anal. Chem. 1992, 342, 452-456. |
| D3. | Matsumura, S.; Karai, I.; Takise, S.; Kiyota, I.; Shinagawa, K.; Horiguchi, S. Osaka City Med. J. 1982, 28, 145-148. |
| D4. | Carr, S. E.; Moser, C. R. , Matthews, NC 1990; 52-56. |
| D5. | Carr, S. E.; Moser, C. R. , Chicago, IL 1991. |
| D6. | Budke, C. C.; McFadden, D. G. Plast. Compd. 1990, March/April. |
| D7. | Van Montfort, P. F. E.; Agterdenbos, J.; Jutte, B. A. H. G. Anal. Chem. 1979, 51, 1553-1557. |
| D8. | Dunemann, L.; Meinerling, M. Fresenius' J. Anal. Chem. 1992, 342, 714-718. |
| D9. | Gillain, G.; Rutagengwa, J. Analusis 1985, 13, 471-473. |
| D10. | Gillain, G. Talanta 1982, 29, 651-654. |