9 Component ICP Standard, Solution A and B, in 2% HNO3. EPA 200.7

This is both solutions A and B of the 2-solution set. To purchase A or B separately, see items ES003 and ES004.

Solution A Components:

1,000 ppm (µg/mL): Aluminum, Calcium, Magnesium, Potassium, Sodium

500 ppm (µg/mL): Chromium, Nickel, Zinc

Matrix: 2% HNO3

Solution B Components:

500 ppm (µg/mL): Silver

Matrix: 2% HNO3

EPA Method 200.7

Traceable to NIST.