She typed a single line into her lab notebook: "pH measured per Ph. Eur. 5.17.2: 7.400 (25.0°C). System suitable."
The number held. For one full minute, the display did not waver.
She had met them. All of them.
Elara leaned back. Her hands, scarred from broken beakers and acid burns, trembled slightly. She pulled up the PDF again and scrolled to the final paragraph: "The pH of a buffer solution is considered to be the value measured under the conditions described, provided the measurement system meets the performance criteria."
She typed a single line into her lab notebook: "pH measured per Ph. Eur. 5.17.2: 7.400 (25.0°C). System suitable."
The number held. For one full minute, the display did not waver. ph eur 5.17.2 pdf
She had met them. All of them.
Elara leaned back. Her hands, scarred from broken beakers and acid burns, trembled slightly. She pulled up the PDF again and scrolled to the final paragraph: "The pH of a buffer solution is considered to be the value measured under the conditions described, provided the measurement system meets the performance criteria." She typed a single line into her lab
