| Thiourea 16 oz – Gold Stripping & Precious Metal Refining Chemical | goldandsilvertesting.com | 26.99 USD | 38.99 USD | −30.8% |
| Nitric Acid 70% – 6 Pack (32 oz Bottles) ACS Reagent Grade for Gold Refining & Precious Metal Recovery | goldandsilvertesting.com | 159.99 USD | 209.99 USD | −23.8% |
| GTE Gold Recovery Kit – 2 lb Gold Precipitant (SMB) + 1 lb Urea for Aqua Regia Refining | goldandsilvertesting.com | 22.97 USD | 29.97 USD | −23.4% |
| GTE Hydrochloric Acid – 32 oz (31–37%) Premium Technical Grade HCl for Gold Refining & Aqua Regia Use | goldandsilvertesting.com | 26.97 USD | 34.97 USD | −22.9% |
| Manganese Dioxide MnO2 Powder 300 Mesh Oxidizer for Gold Silver Refining | goldandsilvertesting.com | 9.99 USD | 12.94 USD | −22.8% |
| GTE TETRASODIUM (EDTA) Technical Grade Gold Refining Purifier Chelating Agent Textile Water (Copy) | goldandsilvertesting.com | 14.97 USD | 18.99 USD | −21.2% |
| Silver Test Needles Set – 950, 975, 999 Fine Silver Comparison Needles | goldandsilvertesting.com | 29.49 USD | 36.97 USD | −20.2% |
| Jeweler’s Grade Borax Flux 8 oz + Ceramic Crucible Gold Silver Glaze Casting Kit | goldandsilvertesting.com | 21.97 USD | 26.97 USD | −18.5% |
| Nitric Acid 70% for Gold Refining – ACS Reagent Grade 32oz -Higher Purity Concentrated Acid for Gold Refining & Recovery | goldandsilvertesting.com | 32.63 USD | 39.97 USD | −18.4% |
| Aqua Regia Gold Refining Kit – 69.8–70% Nitric Acid & 31–37% Hydrochloric Acid (32oz/32oz) GTE | goldandsilvertesting.com | 49.97 USD | 59.97 USD | −16.7% |
| Jewelry Pickle Compound 1 lb – Smart Pickle for Gold, Silver & Copper – Removes Fire Scale, Fire Stain & Oxidation | goldandsilvertesting.com | 16.97 USD | 19.97 USD | −15% |
| 1 LB Heat-Resistant Lump Pumice for Torch Brazing Annealing Jewelry soldering | goldandsilvertesting.com | 16.97 USD | 19.97 USD | −15% |
| GTE Sure-Pickle Jewelry Pickling Compound – Removes Fire Scale & Oxidation | goldandsilvertesting.com | 16.97 USD | 19.97 USD | −15% |
| Gold Recovery & Melting Kit SMB Gold Precipitant 1lb + Ceramic Crucible Refining | goldandsilvertesting.com | 18.97 USD | 21.97 USD | −13.7% |
| GTE Rechargeable Headband Magnifier with LED Light – 4 Interchangeable Lenses (1.5X–3.5X) Hands-Free Visor for Jewelers, Crafts & Hobbies | goldandsilvertesting.com | 38.97 USD | 44.97 USD | −13.3% |
| Gold Precipitation Kit Sodium Metabisulfite SMB Urea Gold Refining Stannous | goldandsilvertesting.com | 28.79 USD | 32.97 USD | −12.7% |
| GTE Gold Refining Workstation Mat XL Bench & Desktop Protection Pad | goldandsilvertesting.com | 69.99 USD | 79.97 USD | −12.5% |
| Lot of 10-5 Grain Solid Silver .999 Pure Fine Bars Precious Metals 1 Gram of Silver in Total | goldandsilvertesting.com | 28.97 USD | 32.97 USD | −12.1% |
| Jeweler’s Grade Borax Flux 16oz + Ceramic Crucible Gold Silver Glaze Casting Kit | goldandsilvertesting.com | 28.97 USD | 32.97 USD | −12.1% |
| 2400 Gram Ceramic Alumina Crucible Dish Cup Melting Casting Refining Gold Silver | goldandsilvertesting.com | 14.97 USD | 18.97 USD | −11.8% |
| Gold Precipitant 16 oz Refining Test Acid Aqua Regia Metals SMB Pyrosulfite | goldandsilvertesting.com | 16.97 USD | 18.97 USD | −10.5% |
| 10-10 Ounce OZ 999 Fine Solid Titanium Precious Metal American Buffalo Bar Ingot Bullion Ti Element Chemistry Proof Mint Coin (Copy) | goldandsilvertesting.com | 359.99 USD | 399.99 USD | −10% |
| Ferrous Sulfate Gold Refining Chemical Gold Recovery Precipitant Iron Sulfate | goldandsilvertesting.com | 19.97 USD | 21.97 USD | −9.1% |
| Fume Extractor for Gold Refining & Acid Work – Removes Nitric & Aqua Regia Fumes at Source | goldandsilvertesting.com | 549.99 USD | 599.99 USD | −8.3% |
| Ferrous Sulfate Iron Sulfate Water Soluble Powder 20% Iron 3 Pounds | goldandsilvertesting.com | 24.97 USD | 26.97 USD | −7.4% |
| Gold Refining Test Kit Stannous Chloride Gold Precipitant SMB Scrap Metals | goldandsilvertesting.com | 24.97 USD | 26.97 USD | −7.4% |
| Gold Recovery Kit 1lb Sodium Metabisulfite SMB + 1lb Urea Gold Scrap Refining | goldandsilvertesting.com | 27.79 USD | 29.97 USD | −7.3% |
| Gold Refining Kit SMB Gold Precipitant Borax Flux Recovery & Smelt Melting | goldandsilvertesting.com | 26.97 USD | 28.97 USD | −6.9% |
| Gold Precipitation Kit 2lb Sodium Metabisulfite SMB Gold Refining Recovery | goldandsilvertesting.com | 26.97 USD | 28.97 USD | −6.9% |
| Gold Melting Kit Borax Flux + Small Ceramic Crucible + 1/2" Graphite Rod Tool | goldandsilvertesting.com | 27.97 USD | 29.97 USD | −6.7% |
| Gold Recovery & Refining Kit – Complete Aqua Regia Chemical System for Scrap Gold | goldandsilvertesting.com | 27.97 USD | 29.97 USD | −6.7% |
| Gold Melting Kit Borax Flux + Small Ceramic Crucible + 3/8" Graphite Rod Tool | goldandsilvertesting.com | 27.97 USD | 29.97 USD | −6.7% |
| Gold Precipitation Kit Sodium Metabisulfite SMB Urea Gold Refining Stannous | goldandsilvertesting.com | 28.79 USD | 29.97 USD | −3.9% |
| GTE 748-00363-01 Motor-Gearhead 3010-00-055-9414 | swedincompany.com | 8519 USD | — | — |
| Akış Şalteri GTE Şofben Demirdöküm | bursay.com.tr | 580 TRY | 0 TRY | — |
| Su Basınç Sivici Gte Geçmeli | bursay.com.tr | 400 TRY | 0 TRY | — |
| 10 LB TETRASODIUM (EDTA) Technical Grade Chelating Agent Textile Water Paper 99% | goldandsilvertesting.com | 159.9 USD | 159.9 USD | — |
| 5 LB TETRASODIUM (EDTA) Technical Grade Chelating Agent Textile Water Paper 99% | goldandsilvertesting.com | 84.95 USD | 84.95 USD | — |
| VINTAGE *NEW* 1970's GTE Yellow Flip-Phone Telephone | opasvintagegal.com | 69 USD | 0 USD | — |
| VINTAGE *NEW* 1970's GTE Dark Brown Flip-Phone Telephone | opasvintagegal.com | 69 USD | 0 USD | — |