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Buffer solution
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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 |