1.09889

缓冲浓缩液

(boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 9.00 ± 0.02 (20°C) Titrisol^®

• 同義詞: Buffer concentrate for 500 ml buffer solution, pH 9.00 ± 0.02 (20°C)
• 分類程式碼代碼: 12161705
• NACRES: NA.25

屬性

• 等級: analytical standard
• 品質等級: 100
• agency: according to DIN 19266
• 產品線: Titrisol^®
• pH值: 8.9 (20 °C in H₂O)
• 密度: 1.00 g/cm³ at 20 °C
• 應用: environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• 格式: mixture
• 儲存溫度: 15-25°C

描述

一般說明

Titrisol^®参考缓冲液浓缩液[硼酸/氯化钾/氢氧化钠；pH=9.00±0.02 (20 °C)]在经ISO/IEC 17025认可的实验室中采用组合玻璃电极和5点校准法根据DIN 19268的规定对照基于DIN 19266的认证一级标准参考物质进行分析。Titrisol^®浓缩缓冲物质结合易用性和最高精确性，适用于pH仪器的常规校准和监测。要制备现成pH缓冲溶液，只需稀释Titrisol^®缓冲液浓缩液即可。

應用

• Buffer concentrate in viral nucleic acid preamplification: A study utilized buffer concentrate in various viral nucleic acid preamplification pipelines for sewage viral metagenomics, enhancing the accuracy and efficiency of viral detection methods (Fernandez-Cassi and Kohn, 2024).
• Buffer concentrate in myocardial slice cultures: Research on rabbit myocardial slices demonstrated the critical role of buffer concentrate in maintaining tissue stability and function under various experimental conditions, crucial for physiological studies (Baron et al., 2024).
• Buffer concentrate in fluorescence spectroscopy: A study explored the interaction of erythrosine B with cardiac drugs, using buffer concentrate to stabilize reaction conditions in fluorescence, scattering, and absorbance spectroscopy (AlSalem et al., 2024).
• Buffer concentrate in solid-state NMR: The quantification of residual water in pharmaceutical solutions was improved using buffer concentrate in solid-state NMR, highlighting its importance in ensuring the quality and stability of pharmaceutical formulations (Du and Su, 2024).
• Buffer concentrate in electrochemical detection: Buffer concentrate facilitated the electrochemical detection of iodide in nuclear emergency tablets, proving essential for precise and reliable analytical applications in emergency response scenarios (Alqibthiyah et al., 2024).

特點和優勢

• 追溯至NIST和PTB的一级标准参考物质
• 分析标准等级
• 不确定性数据和可追溯性记录于详尽、针对特定批准的分析证书中。

分析報告

pH值（20 °C）：9.00+/-0.02
根据DIN 19266，使用标准缓冲液制备用参比物质进行多点校准（根据DIN 19268）后，用组合玻璃电极稀释至500 ml后测量。

法律資訊

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

安全資訊

• 象形圖: GHS08
• 訊號詞: Danger
• 危險聲明: H360FD
• 防範說明: P201 - P202 - P280 - P308 + P313 - P405 - P501
• 危險分類: Repr. 1B
• 儲存類別代碼: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable