Material Details

SRM 187e - Sodium Tetraborate (Borax), pH

pH calibration, sodium tetraborate, borax, pH, ASTM E0070, ASTM D1293

Certificate - Certificate    MSDS - MSDS    Detail - Table

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Description: Sodium Tetraborate (Borax), pH
Lot: N/A
Expiration Date: 3/31/2019
Unit Price * : TBD
Unit of Issue: 30 g
Status: Out of Stock - Item is not available at this time. To be notified about changes in the status of this item, please proceed through the ordering process now. This will place you on the notification list without committing to the purchase.
See 'Additional Information' for details.
Certificate Date: 5/30/2014
Certificate Revision Date: 30 May 2014 (Extension of the expiration date; editorial changes).
MSDS Date: 6/27/2014
Technical Contact: Jason Waters Email
Additional Information: N/A
Shipping Information
Perishable: No
Hazardous Material: No
Material Hazard Class: N/A
Measurand Data
- Certified values are normal font
- Reference values are italicized
- Values in parentheses are for information only

The certificate is the only official source for values and uncertainties.
Table 201.1 - pH Calibration (powder form)   Additional Information >>
  Parameter Value
  pH(S) Values at 25 °C 9.186

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Date created: 3/10/2002

Last updated: 2/25/2016