W standard v H2O, 140-050-740 - W standard, 1000 ppm, 2x25 ml

PlasmaCAL single element calibration standard for ICP-AES and ICP-MS instruments. Complete with a detailed certificate of analysis. Offers two expiry dates for unopened (up to 21 months) and opened (15 months) bottles. Guaranteed to +/- 0.5% of actual concentration. Direct traceability to NIST standard.

Matrix: H2O

140-050-741 - W standard, 1000 ppm, 125 ml

140-050-745 - W standard, 1000 ppm, 500 ml

140-050-740 - W standard, 1000 ppm, 2x25 ml