Comparator pH4-10, 3Pad Strip 100Strip

Johnson® pH Standard Color-Chart of pH 1~11 and pH 1~14, A6-size Poster

(1) pH 1~11 Standard Color Chart J2.004.15 (1) Standard Color Chart, for pH 1~11, A6 (105×148 mm) Poster 1,550 (2) pH 1~14 Standard Color Chart Johnson® 0.5- or 1-pH divi. Professional 3 & 4 Color-Pad Polypropylene pH Comparator, “Non-Bleed” System

คุณสมบัติ

• Made in U.K.
• Specially Developed for the Class Room Environment in A6-format.
• Teaching to Demonstrate the Different pH-Ranges and the Respective Color Changes.
• pH 1~11 are 11-Color Steps, pH 1~14 are 14-Color Steps, Division ; 1 pH / 1 Step. <L1>
• Specification ; A6-size, 1 Sheet ; L105×w148 mm
• Made in U.K.
• Quality Warranty ;

J2.106.3C · แพ็ก 100 (Pk.)

Johnson® 0.5- or 1-pH divi. Professional 3 & 4 Color-Pad Polypropylene pH Comparator, “Non-Bleed” System Accurate-type of (1) pH 4.0~10.0 & (2) pH 7.5~14.0, and (3) pH 0~14 Full range 3 & 4 pH PP-, / , 1 Strip pH “3/4 ”