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Merck
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主要文件

BX16281

Supelco

Buffer pH 4.0 Red

certified reference material

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About This Item

分類程式碼代碼:
41116107
产品BX16281监管中，请联系销售询价或购买 联系技术服务部门

等級

certified reference material

品質等級

300

CofA

current certificate can be downloaded

包裝

pkg of 500 mL

應用

environmental
environmental
food and beverages
general analytical
industrial qc

形式

mixture

儲存溫度

15-25°C

一般說明

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI and higher-order standards from NIST through a continuous chain of comparisons. It is prepared using qualified and calibrated balances that comply with ISO 17025 requirements.

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.

應用

The pH 4.0 Red buffer reference standard is suitable for:
  • Calibration of pH meters and electrodes
  • Quality control of pH measurements
  • Analytical method development and validation

特點和優勢

  • Solution that is stable, ready to use, and have long minimumshelf life
  • Available in asealed bottle with convenient packaging to protect against contamination
  • Accompanied witha certificate of analysis (CoA) for an effective audit
  • Achieve precisepH control with this solution, ensuring accuracy in experiments
  • Reliable andreproducible results for consistent outcome

包裝

500 ml in Plastic bottle, 20L, 4L

儲存類別代碼

12 - Non Combustible Liquids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Questions

  1. Is there any information available regarding measured pH values outside of 25 °C for pH buffer Certified Reference Materials with corresponding catalog numbers of the format BX16### or EM018#?

    1 answer

    1. The certified values (and associated uncertainties) provided in the Certificates of Analysis for pH buffer Certified Reference Materials with catalog numbers of the format BX16### or EM018# are exclusively valid at 25 degrees Celsius.
      The relative effects of temperature on measured pH values are not measured and reported for every batch of these products.

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