Sulfate Standard, 100 ppm, Concentration 100 ppm, CAS Number 7757-82-6, Chemical Formula Na2SO5, Chemical Container Material Plastic, Chemical Container Type Bottle, Chemical Grade Lab, Chemical Container Size 1 L, Chemical Family Type Standards and Solutions, Calibration Certificate NIST, Shelf Life 12 mo, Shipping Restrictions CHEMICAL NOT REGULATED FOR TRANSPORT, Special Information 1 ml = 0.1 mg SO4, sodium sulfate – water