Complex

Step

Temperature range/˚C

Mass loss /%

Associated process

[Co(III)L](NO₃)

1

150 - 320

33.27

loss of salicylaldehyde molecule

2

320 - 640

38.19

loss of methionine molecule

3

640 - 799

2.10

gradual loss of mass due to the elimination of some gases

residue

24.45

Cobalt oxide

[La(III)L](H₂O)Cl

1

28 - 166

9.14

loss of one molecule hydrated water

2

166 - 360

31.11

loss of methionine molecule

3

360 - 625

22.67

loss of salicyldehyde molecule

4

625 - 799

1.68

gradual loss of mass due to the elimination of some gases

residue

35.40

Lanthanum oxide

[Mn(II)L]

1

166 - 408

45.96

loss of methionine molecule

2

408 - 708

24.66

loss of salicylaldehyde molecule

3

708 - 799

3.68

gradual loss of mass due to the elimination of some gases

residue

23.44

Manganese oxide