Test method and kit

Details Test method and kit Test method and kit

G - Physics

01

N

G01N 31/22 (2006.01) G01N 21/78 (2006.01)

Patent

CA 2617218

A test method and kit are disclosed. The method is for use with an object, said method comprising the steps of: (a) treating a surface of the object to expose an undersurface area; (b) exposing the undersurface to a sulfide; and (c) visually monitoring the appearance of the sulfide to which the undersurface was exposed for a color change. The color change is indicative of the presence or absence of lead in the object. The test kit can comprise: an abrasive material; a vessel containing a water soluble sulfide solution; a lead-free color comparison chart to which the color of the sulfide can be compared; and a confirmation strip adapted to cause said sulfide to undergo a color change, when exposed to said strip, at least similar to the color change that would be produced in the sulfide on exposure to lead.

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