gte

gold precipitation kit 2lb sodium metabisulfite smb gold refining recovery

gold refining test kit stannous chloride gold precipitant smb scrap metals

gold precipitation kit 10lb sodium metabisulfite smb gold refining recovery

gte 1000bx professional digital jewelry scale – 6 modes: g, oz, gn, ct, ozt, dwt - 1000g × .1g accuracy

20x led lighted eyeglass loupe – dual magnifying glasses, hands-free magnifier with adjustable lens

gte 3''x6'' large black premium scratch touchstone for acid gold silver platinum jewelry testing

gold & silver testing kit jsp acids 10k-24k, silver, neutralizer & 2 large gte testing stones

1 troy ounce oz .999 pure molybdenum precious metal walking liberty american eagle silver rare metal bar

vintage *new* 1970's gte white flip-phone telephone

gte tetrasodium (edta) technical grade gold refining purifier chelating agent textile water (copy)

nickel sulfate crystals 100g electroplating nickel plating chemical metal

thiourea 8 oz gold stripping powder precious metal recovery refining chemical

copper sulfate crystals 99% pure pentahydrate 5 lbs

gold melting kit small ceramic crucible + 3/8" graphite stirring rod refining

gold recovery & melting kit smb gold precipitant 1lb + ceramic crucible refining

gold melting kit small ceramic crucible + 3/8" graphite stirring rod refining

gold, silver, & platinum testing kit 10k-24k jsp acids, diamond tester, digital scale, magnifier loupe, files & test bars

gte 2''x2'' small premium black scratch touchstone for acid gold silver platinum jewelry testing

9 slotted large wooden bamboo handcrafted storage box for gold silver platinum acid jewelry test kit and supplies

gte tarn-blok tarnish shield seal protect and polish precious metals silver jewelry copper against tarnish in one application