Metal.

[Al]
Test organisms;
Rotifera: Brachionus calyciflorus (ref. ID; 127)

[Aluminium Ammonium Sulfate 12-water] CAS[7784-26-1]
Chemical formula; Al(NH4SO4)2/12H2O misspell AlNH4(SO4)2/12H2O?
Test organisms;
Oligochaeta: Tubifex tubifex (ref. ID; 6968)

[Aluminium (III) Chloride] CAS[7446-70-0] UN1726
Chemical formula; AlCl3
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6895)
Nematoda: Caenorhabiditis elegans (ref. ID; 6824)

[Aluminium Nitrate Nonahydrate] CAS[7784-27-2] UN1438
Chemical formula; Al(NO3)3/9H2O
Chemical characteristics; water soluble
Test organisms;
Nematoda: Caenorhabditis elegans (ref. ID; 506)

[Soil Al pollution]
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6750)