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Bromide Half-Cell Ion Selective Electrode, Solid State 0 ₫ 0.0 VND	Ammonia ISE Membrane Kit (20 pcs) 0 ₫ 0.0 VND	Ammonia ISE Conditioning and Storage Solution 0 ₫ 0.0 VND	Ammonia ISE Filling Solution (4 x 30 mL Bottles) 0 ₫ 0.0 VND
Ammonia ISE 1000 ppm Standard (500 mL) 0 ₫ 0.0 VND	Ammonia ISE 100 ppm Standard (500 mL) 0 ₫ 0.0 VND	Ammonia ISE 0.1M Standard (500 mL) 0 ₫ 0.0 VND	Ionic Strength Adjuster (ISA) for Ammonia and Cyanide ISEs 0 ₫ 0.0 VND
Halide Polishing Strips (24 pcs) 0 ₫ 0.0 VND	Replacement pH Assembly for Carbon Dioxide ISE 0 ₫ 0.0 VND	Replacement Membrane Cap for Ammonia ISE 0 ₫ 0.0 VND	Replacement pH Assembly for Ammonia ISE 0 ₫ 0.0 VND
Liquid Membrane ISE Sensor Handle 0 ₫ 0.0 VND	ISE Slope Check Buffers with Chloride Background 0 ₫ 0.0 VND	Ionic Strength Adjuster (ISA) for Halide ISEs 0 ₫ 0.0 VND	Backpack Lab™ Marine Science test kit; acidity (CaCO3), alkalinity (CaCO3) phenolphthalein & total, carbon dioxide (as CO2), dissolved oxygen, nitrite, nitrate (NO3-N), phosphate (orthophosphate PO4-3), & salinity 0 ₫ 0.0 VND
Acidity, olive oil, titration with hydroxide, Spare kit for 10 tests 0 ₫ 0.0 VND	Acidity of Olive Oil, Range: (0.00 - 1.00 % acidity) Method: titration, kit 0 ₫ 0.0 VND	Backpack Lab™ Soil Quality test kit; nitrogen, phosphorus, potassium and pH 0 ₫ 0.0 VND	Soil analysis, Ned (N), ascorbic acid (P), tetraphenylborate (K), pH indicators (pH) Reagent kit for 25 tests (N, P, K, pH) 0 ₫ 0.0 VND