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• • <br />ACID-BASE ACCOUNTING (ABA) <br />- Sample Pulverl:ed to Mlnus 60 Mesh <br />- Meuure Paste pH -Probably APP if pH <4.0 <br />- Leco Furnaee Determinat(on of Total Sulfur <br />• May overetale APP <br />• No sulfur apscialion <br />- Flzz Rating for ANP • Sufficient HCI to React with CaCO, <br />• 0.5g sample (-60 mesh) <br />• Add 0.1 or 0.5N HCI to solid sample <br />• Ratlny HCI, ml Normality <br />Nons 20 0.1 <br />Slight 40 0.1 <br />Moderate 40 0.5 <br />Strong 60 0.5 <br />- Determination of Nsutrallzatlon Potential (ANP) <br />• 2.0 g (-60 mesh) into 250 ml Erlenmyer Flask <br />• Carefully add HCI (quantlty 1k normality from Fizz rating) <br />• Heat to near boiling, awlrl every 5 minutes to compiet(on <br />• Add DI H,O to total volume of 126 ml <br />• Boll for 1 minute, cover and cool slowly to room temp. <br />• Tltrate Io pH 7.0 with 0.1 or 0.5N NaOH <br />• More than 9 ml NaOH for dbation lnaures suMclsnt HCI <br />• Convert to tons CaCO, EgV1000 tons of material <br />- Resulh Include: pH, S„ APP ANP, NNP, RAT10 <br />. <br />m <br />u <br />A <br />0 <br />Cl <br />m <br />N <br />u <br />m <br />3 <br />a <br />r <br />P <br /> <br />