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Buffer solution

品牌
Supelco
货号
1.09407
规格纯度
(potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®
参考价格
625.14 *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:
Buffer solution
产品介绍:

产品说明

一般描述

A phosphate buffer, it is gravimetrically prepared using high-quality salts in high-purity water. The pH 7.00 of this potassium dihydrogen phosphate/disodium hydrogen phosphate is measured 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.

应用

It is used in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.

特点和优势

  • 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 a positive environmental impact due to reduced waste generation
  • Accompanied with a detailed certificate of analysis (CoA) for an effective audit

法律信息

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

产品性质

质量水平300
等级certified reference material
产品线Certipur®
pH值(酸碱度)7.0 (25 ℃ in H2O)
bp109 ℃/1013 hPa
mp-5 ℃
密度1.01 g/cm3 at 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
WGKnwg
闪点(F)Not applicable
闪点(C)Not applicable

SUPELCO

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