1.04875

磷酸二氢钾 溶液

(buffer stock solution) 1/₁₅ mol/l

• 别名: 磷酸一钾, 酸性磷酸钾 溶液
• CAS号: 7778-77-0
• MDL號碼: MFCD00011401
• 分類程式碼代碼: 12161703
• NACRES: NA.24

属性

• 等級: certified reference material
• 品質等級: 100
• 密度: 1.005 g/cm³
• 應用: environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• 形式: mixture
• 儲存溫度: 15-25°C
• SMILES 字串: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI 密鑰: GNSKLFRGEWLPPA-UHFFFAOYSA-M

说明

一般說明

The accuracy of pH measurement results is directly affected by the buffer reference materials used in calibration. Merck offers you a distinguished range of buffer solutions and substances for the exact calibration of your pH measurement equipment. Using Certipur^® reference materials, you benefit from maximum accuracy, reliability and convenience and avoid costly repeat analyses. For your strictest demands in equipment calibration and monitoring, we provide certified secondary standard buffer solutions and substances offering the highest precision.

Our wide range of pH calibration buffers offers ideal products and packaging for your individual need. All buffer solutions are certified reference materials according to ISO 17034 and qualified in our DIN EN ISO/IEC 17025 accredited laboratory. They are all traceable to NIST (National Institute of Standards and Technology, USA) and PTB (Physical Technical Institute, Germany) primary reference materials. Buffers solutions are offered in plastic bottles, measured at 20 °C or 25 °C.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

應用

Potassium dihydrogen phosphate, a monophosphate, is a certified reference buffer solution (CRM) used as a pH buffering agent, typically in combination with dipotassium phosphate.

分析報告

concentration: 0.0664 - 0.0670 mol/l

法律資訊

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

安全信息

• 儲存類別代碼: 12 - Non Combustible Liquids
• 水污染物質分類（WGK）: nwg
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable