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主要文件

1.09892

Supelco

缓冲浓缩液

(phosphate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 12.00 ± 0.05 (20°C) Titrisol®

别名:

Buffer concentrate for 500 ml buffer solution, pH 12.00 ± 0.05 (20°C)

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About This Item

UNSPSC代码:
12161705
NACRES:
NA.25

等级

analytical standard

质量水平

100

Agency

according to DIN 19266

产品线

Titrisol®

pH值（酸碱度）

12 (20 °C in H2O)

密度

1.04 g/cm3 at 20 °C

应用

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

包装形式

mixture

储存温度

15-25°C

相关类别

一般描述

Titrisol®参考缓冲液浓缩液[磷酸盐/氢氧化钠；pH=12.00±0.05 (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。

应用


  • Identification of variety-specific metabolites of basil by high performance thin layer chromatography-assisted metabolic profiling techniques: This study identified specific metabolites in different basil varieties using high-performance thin-layer chromatography, employing silica gel 60 H as the stationary phase. The technique allowed detailed metabolic profiling, aiding in the differentiation of basil varieties (Wulandari et al., 2023).


特点和优势

  • 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。

分析说明

pH值（20 °C）：12.00 +/- 0.05
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。

法律信息

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

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标准

产品编号
说明
价格

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®

1.09884

Buffer concentrate, (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C) Titrisol®

1.09887

缓冲浓缩液, (phosphate), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 7.00 ± 0.02 (20°C) Titrisol®

1.09886

Buffer concentrate, (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 6.00 ± 0.02 (20°C) Titrisol®

1.09890

Buffer concentrate, (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 10.00 ± 0.05 (20°C) Titrisol®

1.09885

Buffer concentrate, (citrate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 5.00 ± 0.02 (20°C) Titrisol®

1.09883

Buffer concentrate, (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 3.00 ± 0.02 (20°C) Titrisol®

1.09882

Buffer concentrate, (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 2.00 ± 0.02 (20°C) Titrisol®

1.09893

缓冲浓缩液, (potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 13.00 ± 0.05 (20°C) Titrisol®

1.09881

Buffer concentrate, (glycine/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 1.00 ± 0.02 (20°C) Titrisol®

1.09888

Buffer concentrate, (borate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 8.00 ± 0.02 (20°C) Titrisol®

1.09880

Buffer concentrate, (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 11.00 ± 0.05 (20°C) Titrisol®

象形图

Corrosion
GHS05

警示用语：

Warning

危险声明

H290 - H315 - H319

危险分类

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

储存分类代码

12 - Non Combustible Liquids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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