Refill pack for Blue litmus paper, pH: 8.0 - 5.0 (3 reels of 5m length and 7mm width)
• Best-known indicator paper for neutralization analyses
• Changes color from blue to red when conditions change from alkaline to acidic
• Color change (pH): red - violet - blue
Description
• Changes color from blue to red when conditions change from alkaline to acidic
• Color change (pH): red - violet - blue