Johnson® High Precise(0.2~0.5 pH-divi.) Color Pad Polypropylene pH Comparator, “Non-Bleed” SystemSpecial Use for the Accurate Test of Short-ranges of pH 0.2~0.5 Intervals, 8 items in Overall-range pH 1 .0 ~ 1 0.0초정밀 pH 측정용 칼라 Pad PP콤퍼레이터, “0.2 ~ 0.5 pH 단위 > pH 테스트 페이퍼
Johnson® High Precise(0.2~0.5 pH-divi.) Color Pad Polypropylene pH Comparator, “Non-Bleed” SystemSpecial Use for the Accurate Test of Short-ranges of pH 0.2~0.5 Intervals, 8 items in Overall-range pH 1 .0 ~ 1 0.0초정밀 pH 측정용 칼라 Pad PP콤퍼레이터, “0.2 ~ 0.5 pH 단위 > pH 테스트 페이퍼