Test Paper Litmus Red, Roll-type 1Roll(7mmx5m)

รหัสสินค้า: J2.003.5

รายละเอียดสินค้า

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. รหัสสินค้า: J2.003.5 J2.003.5 · แพ็ก 1 (Pk.) Johnson® Litmus-Blue?Red?Neutral, Book & Roll-type, for Simple Testing of Solution pH - Acidity / Aalkalinity , pH , &