油中标准水 standard for oil samples for coulometric Karl Fischer Titration (15-30 ppm) apura®
加热炉专用标准水 solid standard for KF oven method apura®
确效用标准水 10000ppm Standard for volumetric Karl Fischer Titration 1 g ≙ 10 mg H₂O apura®
确效用标准水 1000ppm Standard for coulometric Karl Fischer Titration 1 g ≙ 1 mg H₂O apura®
电导度水 0 mS/cm Test solution for Measurement of electrolytic Conductivity, traceable to PTB and NIST CertiPUR®
水 Ultrapur