pH Paper, Fil-Chem$40.79 Range (UOM: pH) Choose an option3.5-5.23.8-5.5Clear pH Paper, Fil-Chem quantity Add to cart SKU: PH/3552 & PH/3855 Categories: Laboratory Testing Solutions & Chemicals, pH Buffer Solutions and Testing Strips Tag: pH Description Additional information Description Fil-Chem pH Test Strips (200 per pack). Additional information Range (UOM: pH) 3.5-5.2, 3.8-5.5 Related products Ammonium Hydroxide, *% v/v Solution $15.02 – $39.38 Ammonium Hydroxide, Concentrated $30.88 – $200.54 pH Paper, EMD ColorpHast® $27.42 – $139.36 Ammonium Chloride, 10% w/v Solution $27.03 – $36.03