Testing fluid No. 14

An assay fluid for testing the gold alloy fineness 0.500 - 0.640.

Made according to the formula by Dr. F. Zastawniak.

Does not contain gold chloride.

10 ml bottle.

Uses nitric and hydrochloric acid A.C.S. and triple distilled water.

The PKNMiJ standard for testing 0.500 - 0.640 fineness gold specifies gold chloride.

WARNING! Contact the manufacturer for an explanation of how this liquid works before purchase.

NOTE ! Product for professional use only. Sold only to companies on invoice.