Show TEST O COPPER OnES Simple ethod By Which Value May MayBe Be e CJe Judged P c Dubois in the Cout Cosat dr r save lays that Jf f a prOSpector will WiD ro lire e himself with a bottle of nf nitric aci and a bottle of ammonia and two or r c g ful 1 teSt tubes he can canen en 48 a rt how to itt pt topper Pt PI ze mal 1 Pot on of the or to ta be tested in a mortar or between two t onee Put boUt about heW balf It a tee teaspoon mi of the pulverized eti ore on in ia the test be and add nitric add acid a afew afew few drops at a time tim at so se that in incase case violent action should take place placeit it would not throw Ute te contents or of the tube out After the ore In the tube baa h been n covered with the nitric acid Nid Warns warm the tube over the flame aUte of a 8 candle until tire the metallic pert ot of tile the theore 01 ore ha has been dissolved or Of course the quartz will not enter into thE solution i Solution lution will take place In a few min i utes Then dilute the solution with water until the tube is iB about three Quarters full then add dali cau tiou ly drop by drop If I copper be pre present ent In the ore the alit become co colored d blu per PT nt of eo cop copper per will sill give gin it a fainter shade A Afew I few t tR made In the above manner compared with v ith assay of o the ore will educate the prospector to judge very closel closely as to the amount of oC contained in his samples |