Johnson® Congo red-, Brilliant yellow-, Turmeric-, Phenolphthalein-, & Clayton yellow- Paper
RM 32.98
Johnson® High Precise(0.2~0.5 pH-divi.) Color Pad Polypropylene pH Comparator,
RM 28.44
Johnson® Humidity Indicator Paper, for Humidity Detection, RH 45~55%[ UK-made ]
RM 77.01
Johnson® Humidity Indicator Paper, for Humidity Detection, RH 45~55%[ UK-made ]
RM 77.01
Johnson® Lead Acetate Paper, for Sulphide(in Air/Gas) Determination, Color Reaction
RM 49.52
Johnson® Lead Acetate Paper, for Sulphide(in Air/Gas) Determination, Color Reaction
RM 49.52
Johnson® Litmus-Blue · Red · Neutral (Book & Roll-type) Paper, for Simple Test of pH-Acidity
RM 28.44