Litmus Blue Indicator Paper, 10 mm

Product Details: Litmus Blue Indicator Paper ParameterDetails Product Name Litmus Blue Indicator Paper Type Acid–Base Indicator Paper Chemical Nature Paper impregnated with natural litmus dye extracted from lichens Colour Change Turns red in contact with acidic solutions pH Sensitivity Range Approx. 4.5 – 8.3 Form Strips or rolls (commonly 4 m × 7 mm roll or 100 strips per pack) Usage For qualitative acid/alkali detection in laboratory or field testing Storage Store in a cool, dry place away from vapours of acids and alkalis Shelf Life Typically 2 years under normal lab conditions Equivalent Products Litmus Red Paper, Universal pH Paper, pH Test Strips Common Brands Merck (Emparta/Emplura), Loba Chemie, Qualigens, SDFCL, Himedia, Nice Chemicals HSN Code (India) 3822.90.00 – Prepared diagnostic or reagent paper Applicable GST Rate 18 % Typical Packing 100 strips per booklet or 5 m roll; bulk boxes on request 🔹 Working Principle Litmus blue paper contains a natural dye that changes colour in the presence of hydrogen ions (H⁺). When dipped into an acidic solution (pH < 7) → turns red When used with a basic or neutral solution (pH ≥ 7) → remains blue 🔹 Applications Routine laboratory acid–base testing Educational experiments (schools/colleges) Quick field testing of water samples, soil extracts, or chemical mixtures Process monitoring in chemical, food, and beverage industries 📦 Commercial / Supply Details Available Grades: General Laboratory Grade Packing: 100 strips / 5 m roll / box of 12 booklets Origin: India / Imported (Merck, Germany, or equivalent) Minimum Order: 1 pack or as per requirement