Product Description :

PH 4 Red Standard, is a certified reference material. It is Supplied by FINAR. It is a pH standard used as a laboratory chemical for calibration of pH meter before analysis. This PH 4 Red Standard by FINAR is prepared under controlled environment and using high-purity material which is tested to check it's assay before manufacturing, and ASTM type I water, following all Quality Assurance Guidelines.

Product features:

• Storage - Ambient bottle
• Shelf life - 12 months
• PH 4 Red Standard is traceable to IUPAC/NIST pH scale
• Follow ISO 17034 and ISO 17025 guidelines

Product specifications :

• Product name : PH 4 Red Standard
• Brand name : FINAR
• Catlog number : PHRED-4-500ML
• Quantity : 500 ml/Bottle
• Appearance : Red Liquid
• Storage temperature : at 25C
• Matrix : Water
• pH value - 4.00
• Accuracy : 0.01 pH units