Litmus paper 20 strips for Vinoferm acid test kit 013.049.2

SKU: 9000379
EAN: 5420069803872
Brand: Vinoferm
Unit: tk
Qty: In Stock
Price: 3,95 €
2,95 €
Qty.: - +
   - or -   
Lakmuspaber Vinoferm®  happesuse mõõtja jaoks. Kontrollige, kas sinise indikaator-aine lisatud kogus on õige. Oranž värvus = liiga väike indikaator. Värvust pole = OK. Sinine värv = liiga suur kogus lisatud. Sisu: 20 riba). Mis on pH? pH on vaba vesinikioonide kontsentratsiooni mõõtmine vedelikus. Puhta vee pH on 7. Vedelikud suurema vesinikuioonide kontsentratsiooniga kui vesi on happed ja pH väärtus on väiksem kui 7. Vedelikud, mille vesinikuioonidel on madalam kontsentratsioon on teisest aluselised ja pH väärtus on suurem kui 7. Arvutatav pH väärtus 1-14.
Kaal 0.004
Kõrgus (m) 0.012
Laius (m) 0.002
Pikkus (m) 0.14
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