Generic Papier PH 1-14 - Prix pas cher
Par un écrivain mystérieux
Description
pH paper, pH 1-14, 5 m, with colour-code
pH 1-14 Wide Range Test Strips [Moisture-Proof Vial of 100 Strips] Made in USA: : Industrial & Scientific
PDF) Original Sources in the Mathematical Classroom
Ph-indicator strips ph 0 - 14
Paper Size: 45mm x 7mm (L x W), Comes with 3 Pack(240 pH Strips) and 1 Storage Case. The test strip color changes must be matched with the pH scale
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The wide range test paper allows you to test the acidity or alkalinity of a solution with more accuracy than the pass/fail nature of red and blue
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Taille: 7 4.5cm (L xl).
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Sigma Papier - PH - 100 Bandelettes à prix pas cher
depuis
par adulte (le prix varie selon la taille du groupe)
