Environmental Express 9x30mL standard HEM at 40mg(w/v) in Ace - G3020

This standard comes packaged with 9 screw top bottles, 30mL each. Bottle packaging allows non-standard volumes to be pipetted. 10mL delivers 40mg HEM and is prepared exactly as EPA Method 1664 states. Suitable for LCS and Matrix Spike samples. 9/PK