Samenstelling van lava in % per kiloproduct
Siliciumdioxide | S i02 | 40-45 | ||
Aluminiumoxide | Al203 | 11-15 | ||
Calciumoxide | Ca0 | 10-15 | ||
IJzeroxide | Fe203 | 10-12 | ||
Magnesiumoxide | Mg0 | 2,9-7,1 | ||
Koolstofdioxide | CO2 | 1 | ||
Titaandioxide | Ti02 | 2-3 | ||
Fosforpentoxide | P205 | 0,4-0,8 | ||
Zwaveldioxide | S03 | 0,06-0,07 | ||
Chloor | Sl | 0,1 | ||
Kaliumoxide | K20 | 2,9-5,0 | ||
Natriumoxide | Na02 | 4 | ||
Koper | CU | 28-50mg/kg. | ||
Nickel | Ni | 60-71mg/kg. | ||
Chroom | Cr | ca.115mg/kg. | ||
Zinc | Zn | 50-60mg/kg. | ||
Borium | B | 13-17mg/kg. | ||
Kobalt | CO | 28-32mg/kg. | ||
Selenium | Se | ca.20mg/kg. |