1.99001
Buffer solution
(potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®
Synonym(s):
Buffer solution pH 4.01 (25°C) (potassium hydrogen phthalate)
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About This Item
Product Name
Buffer solution, (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®
grade
certified reference material
description
RTECS - CV6260000
product line
Certipur®
pH
4.0 (25 °C in H2O)
application(s)
PFAS testing
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format
mixture
storage temp.
10-30°C
Quality Level
Related Categories
Application
Features and Benefits
- Measured and qualified at an ISO/IEC 17025 and ISO 17034 accredited laboratory
- Directly traceable to secondary reference standard from NIST and primary certified reference standard from PTB
- Ready-to-use solution available in 30 mL sachets
- Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective quality management system
- Product label follows the ISO Guide 31 and contains information about ordering number, article description, lot number, safety data, and expiry date
- Packaging material subjected to comprehensive stability studies as per ISO Guide 35
- Accurate up to +/- 0.02 at 25°C
General description
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.
Legal Information
Storage Class
12 - Non Combustible Liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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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PFAS，也被称为“永久化学物质”，会在环境中永久性存在，威胁人类健康。我们提供PFAS定量的环境监测工具，助力研究人员、监管人员和实验室的PFAS检测。
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