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Buffer solution
| 产品编号： | 4058387 |
| 规格： | (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur® |
| 包装规格： | 1 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 |
| vapor pressure【蒸汽压】 | 23 hPa ( 20 ℃) |
| product line【产品线】 | Certipur® |
| pH【pH值(酸碱度)】 | 3.0 (25 ℃ in H2O) |
| bp | 101 ℃/1013 hPa |
| mp | -1 ℃ |
| density | 1.0 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 buffer solution (citric acid/sodium hydroxide/hydrogen chloride) is gravimetrically prepared using high-quality reagents in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 3.00 at 20℃ is qualified 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, IUPAC, NIST, USP, and Ph. Eur. |
| 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 |
安全信息
| Storage Class Code【储存分类代码】 | 12 - Non Combustible Liquids |
| WGK | WGK 1 |
