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Blue Litmus Sunflower Marker Roller - Macherey-Nagel

20,00  WITH VAT
The 5m blue roll of Litmus sunflower indicators changes color from blue to red when conditions change from alkaline to acidic. Litmus roll is the most well-known indicator paper for neutralization analyses.

Sunflower Indicators 100pcs - Macherey-Nagel

13,50  WITH VAT
Ph strips in packages of 100 pieces in the range 0-14 pH MACHEREY-NAGEL type.

Sunflower Indicators Blue 100pcs - Macherey-Nagel

13,50  WITH VAT
Blue color Ph strips in packages of 100 pieces in a range of 5-8 pH MACHEREY-NAGEL type.