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Buffer concentrate
| 产品编号： | 4060905 |
| 规格： | (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C) Titrisol® |
| 包装规格： | 1 AMP |
| 产品类别： | 进口试剂 |
| 品牌： | Supelco |
| 优惠价： | 立即咨询 |
产品性质
| grade【等级】 | analytical standard |
| Quality Level【质量水平】 | 100 |
| agency | according to DIN 19266 |
| product line【产品线】 | Titrisol® |
| pH【pH值(酸碱度)】 | 4.0 (20 ℃, 50 g/L in H2O) |
| bp | 110 ℃ |
| mp | -6 ℃ |
| density | 1.06 g/cm3 at 20 ℃ |
| application(s) | environmental food and beverages general analytical industrial qc pharmaceutical |
| format【格式】 | mixture |
| storage temp.【储存温度】 | 15-25℃ |
基本信息
| General description【一般描述】 | The Titrisol® reference buffer concentrate [citrate/hydrochloric acid; pH=4.00±0.02 (20 ℃)] is analyzed in the ISO/IEC 17025 accredited calibration laboratory with a combined glass electrode and 5-point calibration according to DIN 19268 against a certified primary standard reference material following DIN 19266. The Titrisol® concentrated buffer material combines ease of use and maximum precision for the routine calibration and monitoring of pH instruments. To prepare the ready-to-use pH buffer solution, simply dilute the Titrisol® buffer concentrate. |
| Features and Benefits【特点和优势】 |
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| Analysis Note【分析说明】 | pH-value (20 °C): 4.00 +/- 0.02 Measured after dilution to 500 ml with a combination glass electrode after multiple point calibration (according to DIN 19268) with reference materials for the preparation of standard buffer solutions according to DIN 19266. |
| Legal Information【法律信息】 | Titrisol is a registered trademark of Merck KGaA, Darmstadt, Germany |
安全信息
| Storage Class Code【储存分类代码】 | 12 - Non Combustible Liquids |
| WGK | WGK 1 |
