1,000 ug/ml Silicon Standard (from Na2SiO3), H2O, 500ml

1000 µg/mL Silicon from Na2SiO3, 99.99% (metals basis) in H2O; 18 month expiry date.

The accuracy of all single-element standards is certified against NIST Spectrometric Standard Solutions where available. A Certificate of Analysis and Material Safety Data Sheet are included with each standard. All standards are certified accurate for a period of 18 months from the date of shipment unless noted otherwise.