1.09435
Buffer solution
(citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®
別名:
Buffer solution pH 4.00 (20°C) (citric acid/sodium hydroxide/hydrogen chloride)
製品名
Buffer solution, (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®
grade
certified reference material
product line
Certipur®
pH
4.0 (20 °C in H2O)
density
1.01 g/cm3 at 20 °C
application(s)
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format
mixture
storage temp.
15-25°C
Quality Level
Application
It is used in analytical procedures for calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.
Features and Benefits
- Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
- Traceable to SRMs from NIST and primary certified reference standards from PTB
- Ready-to-use solution available in a sealed bottle and an innovative Titripac® packaging for positive environmental impact due to reduced waste generation
- Long-lasting with a shelf life of 3 years
- Accompanied with a batch-specific and detailed certificate of analysis (CoA) for an effective audit
General description
The buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 4.00 at 20°C is qualified using a combined glass electrode following a 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.
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
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany
保管分類
12 - Non Combustible Liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
試験成績書（COA）
製品のロット番号・バッチ番号を入力して、試験成績書（COA） を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。
グローバルトレードアイテム番号
| カタログ番号 | GTIN |
|---|---|
| 1.09435.1000 | 04022536114279 |
| 1.09435.4000 | 04027269029821 |
| 1.09435.9010 | 04022536114293 |
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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