Skip to main content

Table 1 Chemical composition of raw materials

From: High lead exposure in two leaded bronze ingot foundry workers

 

Chemical composition (%)

 

Base material

 

Reducing agent

 
 

Inspection certificate

Bulk sampling

Bulk sampling* Carbon

Bulk sampling* Borax

Cooper

77.0–81.0

79.950

0.189

0

Tin

9.0–11.0

9.320

0

0

Lead

9.0–11.0

10.310

0.203

0

Zinc

−1.0

0.020

0.029

0

Iron

−0.2

0.010

0.050

0

Nickel

−1.0

0.290

0.020

0

Antimony

−0.5

0.090

0

0

Phosphorus

−0.05

0.009

0

0

Aluminium

−0.005

0

0.007

0.036

Silicon

−0.005

0

0

0

  1. * Bulk sampling refers to the collection of the base material in the workplace and the laboratory analysis of these substances.