Buffer solution

半岛bd体育手机客户端 说明

一般描述

Certipur^?buffer solution [di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer; pH 6.88 (20 ℃)] is intended for use as a calibration standard for pH instruments or pH electrodes or as a control sample for measuring the pH value.
The ready-to-use Certipur^?buffer solutions are prepared gravimetrically in our ISO/IEC 17025 accredited calibration laboratory from high-purity salts, acids and bases diluted in high-purity water. All balances are regularly calibrated with analytical weight sets traceable to primary standard reference materials from NIST and PTB. The pH-value is measured to the highest precision using a combined glass electrode after 5-point calibration (according to DIN 19268) against reference buffer solutions (according to DIN 19266, IUPAC, NIST, Ph.Eur. and USP).

特点和优势

• Compliant: Produced according to EP and USP guidelines
• Secure: Tested in our ISO 17025 accredited calibration laboratory
• Ready for audits: Detailed certificate of analysis for every product
• Convenient: Simply open the pack for quick, accurate pH calibration

法律信息

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

半岛bd体育手机客户端 性质

质量水平	300
等级	certified reference material
agency	traceable to NIST traceable to PTB
半岛bd体育手机客户端 线	Certipur?
组成	di-sodium hydrogen phosphate/potassium dihydrogen phosphate
pH值(酸碱度)	6.88 (20 ℃)
application(s)	environmental food and beverages general analytical industrial qc pharmaceutical
格式	mixture
储存温度	15-25℃

安全信息

储存分类代码	12 - Non Combustible Liquids
WGK	nwg
闪点(F)	Not applicable
闪点(C)	Not applicable