おすすめの製品
グレード
certified reference material
品質水準
製品種目
Certipur®
pH
7.0 (20 °C in H2O)
bp
109 °C/1013 hPa
mp
-5 °C
密度
1.01 g/cm3 at 20 °C
アプリケーション
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
フォーマット
mixture
保管温度
15-25°C
詳細
The buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) is gravimetrically prepared using high-quality salts in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 7.00 at 20°C is qualified following a 5-point calibration method, using a combined glass electrode, in accordance with DIN 19268, against reference buffer solutions following DIN 19266.
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.
アプリケーション
The di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer solution finds applications in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments.
特徴および利点
- Measured and qualified at 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 the innovative Titripac® packaging for positive environmental impact due to reduced waste generation
- Long-lasting with a shelf life of 3 years
- Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit
法的情報
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany
推奨
製品番号
詳細
価格
保管分類コード
12 - Non Combustible Liquids
WGK
nwg
引火点(°F)
Not applicable
引火点(℃)
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。
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