Teststäbchen
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Simultaneous nitrate and nitrite determination with test strips (NO₃⁻ 0-500 mg/l, NO₂⁻ 0-80 mg/l) -
pH determination with test strips (pH 0-14, 1 pH graduation) -
pH determination with test strips in the alkaline range (pH 7-14, 0.5 pH graduation)
