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
Johnson® Nitrite/Nitrate (Water quality) Indicator Pad PP Strip, “Non - Bleed”
RM 98.93
Johnson® Professional 3/4 Color-Pad Polypropylene pH Comparator, “Non-Bleed” System
RM 34.17