6 Component (No Mercury), Mixed Calibration Standard 4A in 5% HNO3, EPA 200.7

EPA Method 200.7, Rev 4.4

100ppm (µg/mL): Al, SiO2, Ti

50ppm (µg/mL): Cr, Zn

40ppm (µg/mL): Sn

For options with mercury, see catalog number 74MX4A.

Matrix: 5% HNO3

Traceable to NIST.