Iron(III) (Fe+3) Speciation Standard at 1,000 µg/mL in 2% HNO3. 500 mL. 12 months expiry date. Traceable to NIST SRM 3126 for total iron concentration and additionally tested by IC against a second source standard for the speciated form. Certified value based on gravimetric preparation. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited.
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