23 element interference check solutions;

Solution A:

Calcium, 3000

Carbon, 2000

Chloride, 18000

Iron, 2500

Magnesium, 1000

Molybdenum, 20

Phosphorus, 1000

Potassium, 1000

Sodium, 2500

Sulfur, 1000

Titanium, 20

Matrx - 5% HNO3 Tr HF/p>

Solution B:

Arsenic, 10

Cadmium, 10

Chromium, 20

Cobalt, 20

Copper, 20

Manganese, 20

Nickel, 20

Selenium, 10

Silver, 20

Vanadium, 20

Zinc, 10

Matrix - 2% HNOS