GroLine pH 4.01 Calibration Buffer with Certificate of Analysis (500 mL) - HI7004-050

GroLine HI7004-050 pH 4.01 Calibration Buffer is a high-quality, NIST traceable solution formulated for the precise calibration of pH meters and electrodes in laboratory, field, and industrial applications. This technical calibration buffer provides an accurate pH 4.01 reference, making it ideal for laboratories, water & wastewater testing, environmental monitoring, agricultural research, and manufacturing process control.

HI7004-050 features an advanced formulation with an accuracy of ±0.02 pH at 25°C, and comes with a Certificate of Analysis for full traceability and quality assurance. Each 500 mL bottle is dyed for quick identification, equipped with a clear lot number and expiration date, and sealed with a tamper-proof cap to preserve the integrity of the buffer. The temperature-pH reference chart on the bottle enables users to compensate for temperature variations during calibration, ensuring optimal performance for your measurement systems.

• NIST traceable pH 4.01 buffer for high-precision calibration in laboratory and field instruments.
• Accurate to ±0.02 pH at 25°C, suitable for demanding industrial, water treatment, and research applications.
• Supplied with a Certificate of Analysis, including values for lot number, mean batch value, and expiration date.
• Long 5-year shelf life (unopened bottle) ensures economical stocking and reliable quality.
• Dyed red color facilitates buffer recognition during multi-point calibrations.
• Tamper-proof and airtight packaging maintains solution stability and quality.
• Temperature correction chart printed on every bottle for technical calibration support.
• Meets the needs of laboratories, water analysis labs, industrial QA/QC labs, universities, and research organizations.

Package includes: One 500 mL bottle of HI7004-050 pH 4.01 Calibration Buffer Solution, Certificate of Analysis. Explore more calibration solutions and laboratory standards on EnvMart.