Environmental Reference Materials, ICP/ICPMS CRMs, Inorganics, Single Element CRMs Barium CRM #TM-004L $45.00 – $102.00 Available at 1000ppm in 5% Nitric acid. Analytically traceable to a NIST SRM. read more Options Choose an option1000 ug/mL - 125 mL1000 ug/mL - 500 mLClear Add to cart Compare Catalog Number: TM-004L. Options 1000 ug/mL – 125 mL, 1000 ug/mL – 500 mL, 10000 ug/mL – 125 mL, 10000 ug/mL – 500 mL COA's MSDS/SDS COA's MSDS/SDS Related products Quick View Add to cart Compare $59.00 Environmental Reference Materials Calcium – 125mL #IC-008 Quick View Add to cart Compare $59.00 Environmental Reference Materials Magnesium – 125mL #IC-024 Quick View Add to cart Compare $59.00 Environmental Reference Materials Ammonium – 125mL #IC-001 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chlorite – 125mL #IC-016