Arsenic(III) (As+3) Speciation Standard at 1,000 µg/mL in 2% HCl. 50 mL. 12 months expiry date. Certificate of Analysis includes lot-specific chromatogram. Traceable to NIST SRM 3103 for total arsenic concentration and by IC against a second source standard for the speciated form. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:20166 accredited.
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