Buffer solution，1094440500

一般描述
The citric acid/sodium hydroxide/hydrogen chloride certified buffer solution of pH 3.00 at 25°C is gravimetrically prepared using high-quality reagents at a registered calibration laboratory. Its pH value is measured using a combined glass electrode following a 5-point calibration method. The measurement is made following DIN 19268 using reference buffer solutions compliant to DIN 19266, NIST, IUPAC, Ph. Eur, and USP. The pH value of the buffer strongly depends on the temperature and therefore a constant temperature must be maintained during its use.
应用
The buffer solution is meant to be used as a calibration standard in analytical procedures for pH measuring instruments or pH electrodes and as a control for the measurement of pH of other solutions.
特点和优势
Measured and qualified at an ISO/IEC 17025 and ISO 17034 accredited laboratory
Traceable to secondary reference standard from NIST and primary certified reference standard from PTB
Ready-to-use solution
Available in a tamper-proof plastic bottle and sustainable Titripac® packaging for a reduced waste generation
Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit
Product label follows the ISO Guide 31 and contains information about ordering number, article description, lot number, safety data, and expiry date
Packaging material subjected to comprehensive stability studies as per ISO Guide 35