Nitrazine yellow paper, pH: 6.0 - 7.0 (Box of 200 test strips)
• Yellow paper which changes to blue when the pH exceeds 6 towards alkaline conditions (greyish blue at pH 7, blue at pH >?8), e.g. for neutralization analyses
• Color change (pH): yellow-blue to violet
• Length: 70mm
• Widt
Description
• Color change (pH): yellow-blue to violet
• Length: 70mm
• Width: 20mm