pH 4.005 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL

pH 4.005 Certified Reference Material CRM Buffer Standard Solution, IUPAC, 500 mL
Product #: S11M002
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Accredited reference material producer

Hach Lange GmbH is accredited by the German accreditation authority DAkkS as registered reference material producer according to DIN EN ISO 17034:2017. Compared to ISO 17025, ISO 17034 has an additional requirement for reliable and traceable manufacturing of products.

Fully traceable standards

The use of standards manufactured by an accredited reference material producer provides complete confidence in the traceability chain and calculated uncertainties. All standards are formulated in compliance with NIST and IUPAC specifications.

2 years shelf life guaranteed

Each standard is delivered in an airtight aluminum bag package ensuring safe storage.
Until first opening the certified value is guaranteed for 2 years from the date of issue of the certificate.

Certificate download

Each standard has its own Certificate of Analysis available for download from Hach website.

Proven Traceability

Each standard has its own Certificate of Conformity and Traceability available for download from Hach web site. The use of standards pH Buffers manufactured by an accredited laboratory gives you complete confidence in the traceability chain and calculated uncertainties.

Specifications

Color coded?: No
Description: pH buffer calibration reagent
NIST Traceable: Yes
Package Type: Bottle
Parameter: pH
pH Value(s): 4.005 ±0.010 pH at 25°C
Quantity: 500 mL
Storage conditions: 10 - 25 °C (protect from light)