Material name

Content (% of total weight)

Weight of material on the computer (kg)

Place

Plastic

22.9907

6.26

Insulation

Cable housing

MLead

6.2988

1.72

Union metals

Glass funnel in CRTs, PWB

Aluminum

14.1723

3.86

Structural, conductivity

Housing, CRT, PWB, connectors

Germanium

0.0016

<0.1

Semiconductor

PWBs

Gallium

0.0013

<0.1

Semiconductor

PWBs

Iron

20.4712

5.58

Structural, Magnetivity

Housing, CRTs, PWBs

Tin

1.0078

0.27

Union metals

PWBs, CRTs

Copper

6.9287

1.91

Conductivity

CRTs, PWBs, connectors

Barium

0.0315

<0.1

The glass in CRTs

Nickel

0.8503

0.23

Structural, Magnetivity

Housing, CRT, PWB

Zinc

2.2046

0.6

Batteries, phosphorus emitter

PWB, CRT

Tantalum

0.0157

<0.1

Semiconductors

Capacitors / PWB, power supply

India

0.0016

<0.1

Transistor, fixer

PWB

Vanadium

0.0002

<0.1

Red phosphorus emitter

CRT

Terbium

0

0

Green phosphorus activator, dopant

CRT, PWB

Beryllium

0.0157

<0.1

Thermal conductivity

PWB, connectors

Gold

0.0016

<0.1

Connectivity, conductivity

PWB, connectors

Europium

0.0002

<0.1

Activator phosphorus

PWB

Titanium

0.0157

<0.1

Dye mixing agent

Housing

Ruthenium

0.0016

<0.1

Durable circuit

PWB

Cobalt

0.0157

<0.1

Structural, Magnetivity

Housing, CRT, PWB

Palladium

0.0003

<0.1

Connectivity, conductivity

PWB, connectors

Manganese

0.0315

<0.1

Structural, Magnetivity

Housing, CRT, PWB

Silver

0.0189

<0.1

Conductivity

Conductivity / PWB, connectors

Conflict

0.0094

<0.1

Diodes

Housing, PWB, CRT

Bismuth

0.0063

<0.1

Wetting agent in thick film

PWB

Chromium

0.0063

<0.1

Decorative, Hardner

Housing

Cadmium

0.0094

<0.1

Housing, PWB, CRT

Selenium

0.0016

0.00044

Proofreaders

proofreaders / PWB

Niobium

0.0002

<0.1

Welding

Housing

Rhodium

0

Thick film conductor

PWB

Platinum

0

Thick film conductor

PWB

Mercury

0.0022

<0.1

Batteries, switches

Housing, PWB

Male

0.0013

<0.1

transistor

PWB

Silicon

24.8803

6.8

Glass, solid state

CRT, PWB