étalon multi-ion 2
140-315-035
Article: 140-315-035
UM: 500ml
Description: Cl(-) (10 ppm), F(-) (10 ppm), NO3(-) (10 ppm), NO2(-) (10 ppm), PO4(3-) (10 ppm), SO4(2-) (10 ppm), in water + TEA stabilizer
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