GOST R 54920-2012 Zink concentrates Atomic absorption method for determination of copper lead cadmium cobalt iron potassium sodium gold silver indium calcium and magnesium《锌精矿 测定铜 .pdf

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5、 . r, 5725-6. 4.4 () 5725-6 53198 ( 13). 5 , , , , , , , , , , - - , , , , , , , , , , , - . 549202012 4 . , 2 . 2 , , , - , % (/) , 0,15,0 249,2 0,15,0 228,8 0,0050,1 240,7 0,15,0 283,3 4,018,0 248,3 0,050,5 193,7 0,0020,500 589,0 589,6 0,020,50 766,5 (0,0510,0) / 242,8 (10,0600,0) / 328,0 0,00050,

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