,,14 components: As 0.5mg/l Cd 0.5mg/l Cr 0.5mg/l Cu 0.5mg/l Ni 0.5mg/l Pb 0.5mg/l Tl 0.5mg/l Al 2mg/l Zn 2mg/l Fe 15mg/l Mg 15mg/l Ca 60mg/l Na 60mg/l P 1.5mg/l in HNO3 10% ,,CRM, ISO 17034 and ISO 17025,, ,,Conservation 8 1 * 250 mL