Analysis of Metal Contents in Portland Type V and MTA-Based Cements

Table 2

Universal standards concentration (mg/L) for analyzed metals.

Metals	Universal standard
	1	2	3	4	5
Bismuth	0.10	0.50	1.00	2.00	4.00
Cadmium	0.10	0.50	1.00	2.00	3.00
Calcium	0.15	0.25	0.50	1.00	2.00
Chromium	0.10	0.50	1.00	2.00	4.00
Copper	0.10	0.50	1.00	2.00	4.00
Iron	0.10	0.50	1.00	2.00	4.00
Lead	0.10	0.50	1.00	2.00	4.00
Manganese	0.10	0.50	1.00	2.00	4.00
Nickel	0.10	0.50	1.00	1.50	2.00
Zinc	0.50	1.00	2.00	4.00	—