Environmental Reference Materials, Inorganics, Water Chemistry CRMs Phenols #IS-035 $33.00 – $51.00 1000mg/L in Water read more Options Choose an option125 mL500 mLClear Add to cart Compare Catalog Number: IS-035. Options 125 mL, 500 mL Related products Quick View Add to cart Compare $59.00 Environmental Reference Materials Lithium – 125mL #IC-023 Quick View Add to cart Compare $59.00 Environmental Reference Materials Nitrite – 125mL #IC-031 Quick View Add to cart Compare $59.00 Environmental Reference Materials Cyanide – 125mL #IC-019 Quick View Add to cart Compare $59.00 Environmental Reference Materials Potassium – 125mL #IC-042