Do any Hach pH buffers meet ISO guide 34 certification?

Dokument-ID

Dokument-ID TE1123

Veröffentlichungsdatum

Veröffentlichungsdatum 22.10.2019
Frage
Do any Hach pH buffers meet ISO guide 34 certification?
Zusammenfassung
Hach buffers and ISO guide 34
Antwort
Hach buffers do not meet ISO guide 34. However, the certificates of conformance for Hach Radiometer pH buffers does mention that those certificates were drawn up using the ISO Guide 31. Information on ISO Quality Certification can be located online through the Hach Quality Policy.

Product #: S11M001 Certified Buffer Standard Solution, IUPAC, pH 1.679, 500 mL
Product #: S11M002 Certified Buffer Standard Solution, IUPAC, pH 4.005, 500 mL
Product #: S11M003 Certified Buffer Standard Solution, IUPAC, pH 6.865, 500 mL
Product #: S11M004 Certified Buffer Standard Solution, pH 7.000, 500 mL
Product #: S11M005 Certified Buffer Standard Solution, IUPAC, pH 7.413, 500 mL
Product #: S11M006 Certified Buffer Standard Solution, IUPAC, pH 9.180, 500 mL
Product #: S11M007 Certified Buffer Standard Solution, IUPAC, pH 10.012, 500 mL
Product #: S11M008 Certified Buffer Standard Solution, IUPAC, pH 12.45, 500 mL

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