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Merck

1.09400

Buffer Solution

(boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tracable to NIST and PTB pH 10.00 (20°C) Certipur®

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About This Item

NACRES:
NA.25
UNSPSC Code:
12161705

Key Documents

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pH

10.0 (20 °C in H2O)

bp

110 °C/1013 hPa

storage temp.

15-25°C

Quality Level

300

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General description

The boric acid/potassium chloride/sodium hydroxide Certipur® buffer solution is gravimetrically prepared using high-quality reagents. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration laboratory. Its pH value of 10.00 at 20°C is analyzed using a combined glass electrode. The pH qualification is based on 5-point calibration method, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266, IUPAC, NIST, USP, and Ph. Eur.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

The buffer solution can be used to calibrate, qualify, and monitor pH measuring instruments and as a control for testing other buffer solutions.

Features and Benefits

  • Available in secure high-density plastic bottles and sustainable Titripac® packaging generating lesser waste
  • Reliable as subjected to detailed stability studies as per ISO Guide 35
  • Product label having relevant information on order number, article description, lot number, expiry date and safety data, in accordance with ISO Guide 31
  • Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective quality management system
  • Measured and qualified in ISO/IEC 17025 and ISO 17034 accredited laboratory
  • Traceable to SRMs from NIST and primary certified reference standards from PTB

Legal Information

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H360FD

Hazard Classifications

Repr. 1B

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Global Trade Item Number

SKUGTIN
1.09400.050004022536954622
1.09400.400004027269042028
1.09400.901004022536954639

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