Hartie test indicator pH

Indicator pH 0-14 pH fix stripuri
Indicator pH 0-14 pH fix stripuri Hartie test indicator pH
Teste determinare pH 0-14 cu sensibilitate 1 unitate pH Cutie cu 100 de stripuri Cutia include scala colorimetrica comparatoare
72,32 RON
Hartie de turnesol
Hartie de turnesol Hartie test indicator pH
Hartie de turnesol Cutie 200 benzi Lungime banda 7 cm Latime banda 1 cm
36,75 RON