Test Paper pH1-14, Roll-type 1Roll(7mmx5m)

Johnson® Litmus-Blue·Red·Neutral, Book & Roll-type, for Simple Testing of Solution pH - Acidity / Alkalinity

Johnson® Test Papers have Expiry Date and Batch Certification No. on the Product / Packing. in the Field of Education, Laboratories, Chemical Industry, and QC Litmus∙Blue∙Paper∙turns∙Red∙in∙Acidic∙Solution∙(pH<7,∙Blue∙→∙Red)

คุณสมบัติ

• Quality Warranty ;
• Ideal for the Simple Testing the Acidity / Alkalinity of a Solution(where No Precise pH Value is Required)
• Determines whether a Solution is Acid or Alkaline and can also be used to Indicate a Color Change over a Very Narrow Range.
• Take a Drop of the Sample Solution and allow it to Fall on the pH Paper or Dip pH Paper into the Solution.

J2.046.5 · แพ็ก 1 (Pk.)

Johnson® pH 1~11 and pH 1~14 Universal Test Paper, Book & Roll-type, with Standard Color-Chart 11- & 14-Step Color Reaction, pH 1~11 & pH 1~14 , pH 1pH