. Author manuscript; available in PMC: 2022 Feb 1.

Published in final edited form as: J Environ Chem Eng. 2021 Feb 1;9(1):10.1016/j.jece.2020.104943. doi: 10.1016/j.jece.2020.104943

Table 1.

Thermogravimetric analysis results on different e-waste components.

Summary of E-waste TGA analysis

Sample source	Onset temp. (◦ C)	T₅₀ (°C)	T_max (°C)	Ash remaining (%)
Casings
Laptop casing	367	530	536	20
Cellphone casing	416	517	529	15
Desktop cover	412	439	441	2
Peripheral
Gray cable cord	224	309	309	34
Black cable cord	260	311	310	32
Keyboard	422	438	441	1.5
Fan	377	401	405	28
Printed circuit boards
Dell PCB	366	377	381	87
Intel MP PCB	354	368	366	23
Dell PCB	352	368	366	79
HP RAM PCB	334	440	444	77
HP PCB	323	368	369	64