#CabinetKnob

Test results for “Matte Black” finished metal Liberty brand cabinet knob / “Bar Knob” purchased summer 2022 at Home Depot

Test results for “Matte Black” finished metal Liberty brand cabinet knob / “Bar Knob” purchased summer 2022 at Home Depot

Reading #1) Test on the Knob Lead (Pb): 192 +/- 28 ppm Tin (Sn): 100 +/- 16 ppm Barium (Ba): 3,568 +/- 160 ppm Chromium (Cr): 2,371 +/- 733 ppm Copper (Cu): 5,991 +/- 286 ppm Zinc (Zn): 3,831 +/- 184 ppm Manganese (Mn): 3,471 +/- 459 ppm Titanium (Ti): 123,900 +/- 4,300 ppm Zirconium…

Cast brass drawer pull (marked: “Cont.B” & “P-1120-T”): 155 ppm Lead (very low for brass!), 54% Copper, 45% Zinc!

Cast brass drawer pull (marked: “Cont.B” & “P-1120-T”): 155 ppm Lead (very low for brass!), 54% Copper, 45% Zinc!

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XRF test results for modern cast brass (heavy) drawer pull pictured: Lead (Pb): 155 +/- 31 ppm (very low for brass!) Arsenic (As): non-detect Cadmium (Cd): non-detect Mercury (Hg): non-detect Bromine (Br): 103 +/- 8 ppm Chromium (Cr): 90 +/- 52 ppm Copper (Cu): 543,600 +/- 700 ppm (54%) Zinc (Zn): 453,300 +/- 700 ppm…