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Certified sec. standard reference buffer solution

品牌
Supelco
货号
1.07205
规格纯度
potassium dihydrogen phosphate/di-sodium hydrogen phosphate, pH 7.41 (25 °C), Certipur®
参考价格
2987.78 *本价格含增值税费
促销
服务
  • 原厂保证
  • 包邮
  • 增值税票
数量
-+
产品名称:
Certified sec. standard reference buffer solution
产品介绍:

产品说明

一般描述

The certified secondary standard reference buffer solution of potassium dihydrogen phosphate/di-sodium hydrogen phosphate is gravimetrically prepared using high-quality reagents in high-purity water. Its pH value is analyzed by differential potentiometry with two platinum hydrogen electrodes against primary certified reference materials from NIST & PTB. Also, the pH analysis uses the 5-point calibration method, following DIN 19268, against certified primary reference standards as per DIN 19266.

应用

The buffer solution can be used for the calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.

特点和优势

  • Available in solution format in a secure 100 mL high-density plastic bottle
  • Subjected to detailed stability studies as per ISO Guide 35
  • Product label having relevant information on order number, article description, lot number, expiry date and safety data, in accordance with ISO Guide 31
  • Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective quality management system
  • Measured and qualified in ISO/IEC 17025 and ISO 17034 accredited laboratory
  • Traceable to SRMs from NIST and primary certified reference standards from PTB

分析说明

pH-value: 7.414 - 7.420
For complete data see the enclosed certificate

法律信息

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

产品性质

质量水平300
等级certified reference material
agencycomplies with DIN 19266
产品线Certipur®
组成potassium dihydrogen phosphate/di-sodium hydrogen phosphate
pH值(酸碱度)7.41 (25 ℃)
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
WGKnwg
闪点(F)Not applicable
闪点(C)Not applicable

SUPELCO

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