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Buffer solution
| 产品编号： | 4058371 |
| 规格： | (potassium dihydrogen phosphate/disodium hydrogen phosphate)traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur® |
| 包装规格： | 500 ML，1 L，4 L |
| 产品类别： | 进口试剂 |
| 品牌： | Supelco |
| 优惠价： | 立即咨询 |
产品性质
| Quality Level【质量水平】 | 300 |
| grade【等级】 | certified reference material |
| product line【产品线】 | Certipur® |
| pH【pH值(酸碱度)】 | 7.0 (25 ℃ in H2O) |
| bp | 109 ℃/1013 hPa |
| mp | -5 ℃ |
| density | 1.01 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】 | 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. |
| Application【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. |
| Features and Benefits【特点和优势】 |
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| Legal Information【法律信息】 | CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany Titripac 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 | nwg |
