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• For colorimetric pH determination in the range of 4 to 10
• Especially useful in weakly buffered solutions
• Gradation (pH): 4.0 - 4.5 - 5.0 - 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0 - 9.5 - 10.0
• Complete with color chart & plastic cuvette