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About This Item
grade
certified reference material
Quality Level
agency
suitable for SM 2310, suitable for SM 2320
form
crystals
packaging
pkg of 60 g
manufacturer/tradename
NIST®
mp
295-300 °C (dec.) (lit.)
SMILES string
[K+].OC(=O)c1ccccc1C([O-])=O
InChI
1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
InChI key
IWZKICVEHNUQTL-UHFFFAOYSA-M
General description
Each unit of SRM 185I consists of 60 g of potassium hydrogen phthalate.
SRM 185I _SDS
SRM 185I _CoA
Application
Features and Benefits
- SRM 185I is available with certified pH(S) values and their expanded uncertainties.
- Certified values are derived from potential measurements of cells without liquid junction by the primary measurement method.
- Certified values are metrologically traceable to the International System of Units (SI) of amount-of-substance and mass and to the definition of single ion activity.
- The NIST certificate is provided with maintenance, storage, handling, and use instructions.
Other Notes
Legal Information
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wgk
WGK 1
flash_point_f
387.1 °F - Pensky-Martens closed cup
flash_point_c
197.3 °C - Pensky-Martens closed cup
Storage Class
11 - Combustible Solids
Certificates of Analysis (COA)
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Related Content
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| NIST185I | 04061834140306 |