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Potassium dihydrogen phosphate/ di-sodium hydrogen phosphate
产品编号: | 4095149 |
规格: | certified reference material, traceable to NIST (SRM), traceable to PTB |
包装规格: | 2 X 25 G |
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 |
agency | traceable to NIST (SRM) traceable to PTB |
storage temp.【储存温度】 | 15-25℃ |
基本信息
General description【一般描述】 | Certipur® certified secondary standard reference materials are used to precisely calibrate and monitor pH measurement instruments and buffer solutions. They are analyzed in our ISO/IEC 17025 and ISO 17034 accredited calibration laboratories against certified primary standard reference materials (SRM) in accordance with DIN 19266, IUPAC, NIST, Ph. Eur and USP. Certipur® reference materials offer maximum accuracy, reliability and convenience and help avoid costly repeat analyses. |
Application【应用】 | Potassium dihydrogen phosphate/ di-sodium hydrogen phosphate [pH(S)=6.86₅ /pH(S)=7.41₃ (25 ℃)] is a certified secondary standard buffer solution used as a calibration buffer standard for pH instruments or pH electrodes. |
Features and Benefits【特点和优势】 |
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Analysis Note【分析说明】 | pH-value (25 °C): 6.861 - 6.867 |
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】 | 11 - Combustible Solids |