PRODUCT DESCRIPTION, Using borax as a flux when melting gold often results in some gold content in your borax residue. Using MB Formula instead will
MB FORMULA MELTING FLUX Brings Down 100% Gold Repairs Cracked Metals
MB Formula Melting Flux 22.825 – Continental Jeweler's Supply
BG - Concentrations of dissolved dimethyl sulfide (DMS), methanethiol and other trace gases in context of microbial communities from the temperate Atlantic to the Arctic Ocean
MB Formula Melting Flux
Solders & Flux Insco Distributing
Prefrontal Troughs and Confluence METEO 361: Fundamentals of Mesoscale Weather Forecasting
MB Formula Melting Flux
Chapman Recipe Gold Smelting / Refining Flux - 50 pound bucket, For complex and difficult ore types., Flux Contains, 40 % Borax, 20 % Soda
Gold Smelting/Refining Flux- 50 lb- Chapman Recipe
Solders & Flux Insco Distributing
MES Buffer, 4432-31-9, High-Purity, M3671, Sigma-Aldrich