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1 8-32 Aluminum Alloy grams, 5 ml HCl and 5 ml H 2 O, Add H 2 O BEFORE HCl Aluminum Oxide grams, 6.5 ml H 3 PO 4 and 3.5 ml H 2 SO 4 Animal Tissue Automotive Catalyst Blood - Human Boric Acid HF Neutralization Carbon grams (0.5 grams with ), 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing. 0.4 grams, 10 ml HCl, 0.5 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 2 ml, 5 ml HNO 3 and 2 ml H 2 O 2, Allow samples to predigest by standing open for minimum 15 minutes before sealing. Allow vessel to cool. Add 30 ml of 4% (w/v) boric acid solution to the vessel that contains the sample and acid. Reassemble vessel. 0.1 grams, 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing. Cement Ceramic Ceramic, Fused Silica grams, 3 ml HNO 3, 6 ml HCl, 3 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 0.2 grams, 5 ml HNO 3 and 5 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 1.0 grams, 2 ml HNO 3, 8 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method Char - Sulfuric Acid Up to 2.0 grams, 5 ml H 2 SO 4 Clay grams, 5 ml HF, 3 ml HNO 3, and 1 ml HCl, If it is necessary to complex residual HF - view Boric Acid HF method Coal - Anthracite (Step 1) grams, 10 ml HNO 3 Coal - Anthracite (Step 2) Allow vessel to cool. Add 2 ml HF and 1 ml HCl to the vessel that contains the sample and acid. Reassemble vessel. If it is necessary to complex residual HF - view Boric Acid HF Neutralization One Touch method for preparation instructions and run method Coal Ash Co-Cr Alloy (Step 1) Co-Cr Alloy (Step 2) grams, 3 ml HNO 3, 3 ml HCl, and 3 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 0.5 grams, 5 ml HNO 3, 5 ml HF, and 5 ml H 2 O, If it is necessary to complex residual HF - view Boric Acid HF method Allow vessel to cool. Add 4 ml H 2 O 2 to the vessel that contains the sample and acid. Reassemble vessel.
2 8-32 Copper Ore grams, 10 ml Aqua Regia (3:1 HCl:HNO 3 ), This is a leach and not complete digest 0.5 grams, 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes Diesel Fuel before sealing. Epoxy Resin grams, 30 ml HNO 3 Feed Grain grams, 10 ml HNO 3 and 2 ml HCl, Allow samples to predigest by standing open for minimum 15 minutes before sealing. 1.0 grams (0.5 grams for organic matrices), 10 ml HNO 3, Allow samples to predigest by standing Fertilizer - AOAC open for minimum 15 minutes before sealing. Filter - Polycarbonate Membrane filter-47 mm (0.1 grams), 10 ml HNO 3 Filter- Cellulose Paper grams (0.5 grams with ), 5 ml HNO 3 and 5 ml H 2 O, Add H 2 O BEFORE HNO 3 Filter- Membrane filter- 37 mm (0.3 grams), 10 ml HNO grams (wet weight), 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 Food minutes before sealing. Hair grams, 10 ml HNO 3 Infant Formula grams wet weight (0.5 grams wet weight with ), 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing. Iron Ore Iron-Chrome Alloy Kerosene Limestone Make-up, Liquid Nickel-Chrome Alloy grams, 8 ml HCl, 4 ml H 2 O, 4 ml HNO 3, 4 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 0.25 grams, 5 ml HCl, 5 ml HF, and 5 ml HNO 3,If it is necessary to complex residual HF - view Boric Acid HF method 0.5 grams, 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing. 0.5 grams, 7.5 ml HNO 3 and 2.5 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.5 grams, 8 ml HNO 3 and 2 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.5 grams, 5 ml HNO 3, 5 ml HF, and 5 ml H 2 O, If it is necessary to complex residual HF - view Boric Acid HF method Nylon grams (0.25 grams with ), 10 ml HNO 3 and 2 ml H 2 O, Add H 2 O BEFORE HNO 3
3 grams, 10 ml HNO 3 and 2 ml HF, If it is necessary to complex residual HF - view Boric Acid HF Paint - Water Based method Paint Chip grams, 10 ml HNO 3 Pharmaceutical grams, 10 ml HNO 3 Plant Material grams, 10 ml HNO 3 Platinum Metal grams, 10 ml Aqua Regia (3:1 HCl:HNO 3 ), Polyethylene grams (0.1 grams with ), 10 ml HNO 3 Polypropylene grams (0.1 grams with ), 10 ml HNO 3 Precious Metal Ore (Step 1) grams, 10 ml HNO 3 and 0.5 ml HF Precious Metal Ore (Step 2) Allow vessel to cool. Add 5 ml HCl to the vessel that contains the sample and acid. Reassemble vessel. If it is necessary to complex residual HF - view Boric Acid HF Neutralization One Touch method for preparation instructions and run method. PVC grams (0.25 grams with ), 10 ml HNO 3, 0.2 grams, 10 ml HNO 3 and 0.02 ml H 2 SO 4, Allow samples to predigest by standing open for ROHS minimum 15 minutes before sealing. Rubber grams (0.1 grams with ), 10 ml HNO grams, 3 ml HNO 3, 2 ml HCl, and 5 ml HF, If it is necessary to complex residual HF - view Boric Sand Acid HF Selenium Alloy grams (0.5 grams with ), 10 ml HNO 3, Silica Sand Silicon Dioxide Silicon Wafer Slag Stainless Steel grams, 5 ml H 2 O, 3 ml HNO 3, and 8 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 1.0 grams, 2 ml HNO 3, 8 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 0.5 grams, 3 ml HNO 3 and 6 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.5 grams, 3 ml HNO 3, 2 ml HCl, and 5 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.5 grams, 3 ml HNO 3, 9 ml HCl, and 5 ml HF, If it is necessary to complex residual HF - view Boric Acid HF
4 8-32 Straw grams, 10 ml HNO 3 and 1 ml HF, If it is necessary to complex residual HF - view Boric Acid HF. Allow samples to predigest by standing open for minimum 15 minutes before sealing. Titanium Alloy Titanium Dioxide Tungsten Carbide Tungsten Oxide Urine - Human grams, 5 ml HNO 3, 5 ml HCl, and 2 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.25 grams, 2 ml HNO 3 and 8 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 0.25 grams, 5 ml HNO 3 and 10 ml HF, If it is necessary to complex residual HF - view Boric Acid HF 1.0 grams, 2 ml HNO 3, 7 ml HF, If it is necessary to complex residual HF - view Boric Acid HF method 4 ml, 4 ml HNO 3 and 2 ml H 2 O 2, Allow samples to predigest by standing open for minimum 15 minutes before sealing. US EPA ml, 5 ml HNO 3 US EPA grams, 10 ml HNO 3 US EPA ,5 9,5 5,5 5,5 9,5 180 US EPA C US EPA C US EPA C US EPA C Vitamin Waste Activated Sludge Waste Motor Oil grams, 9 ml HNO3 and 3 ml HF, Allow samples to predigest by standing open for minimum 15 minutes before sealing. If it is necessary to complex residual HF - view Boric Acid HF. 20 grams with 75 ml vessel (10 grams with 55 ml vessel), 12.5 ml acetone and grams with 75 ml vessel (10 grams with 55 ml vessel), 12.5 ml acetone and grams with 75 ml vessel (10 grams with 55 ml vessel), 12.5 ml acetone and grams with 75 ml vessel (10 grams with 55 ml vessel), 12.5 ml acetone and grams, 10 ml HNO 3 and 1 ml HF, If it is necessary to complex residual HF - view Boric Acid HF. 0.5 grams dry weight (0.25 grams dry weight with ), 5 ml HNO 3 and 5 ml H 2 O, Add H 2 O BEFORE HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing. 0.5 grams (0.1 grams with ), 10 ml HNO 3, Allow samples to predigest by standing open for minimum 15 minutes before sealing.
5 8-32 Waste Water - NPDES ml, 3 ml HNO 3 and 2 ml HCl Zeolite grams, 6 ml HNO 3, 4 ml HCl, and 2 ml HF, If it is necessary to complex residual HF - view Boric Acid HF.
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