gost-17234-71新版标准规范

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gost-17234-71新版标准规范
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「0CT17234-71*「oynna B59TOCYAPCTBEHHbIN CTAHAAPT COIO3A CCP30nOTbIE CnABbIMeTon onpeneneHna conepxkaHna 3onoTa n cepeopaGold alloys.Method for determination of gold and silver contentOKCTy 1709ata BBeneHna 1973-01-01nocTaHoBneHneM TocynapcTBeHHorO KOMNTeTa CTaHnapToBCoBeTaMMHMCTpOB CCCP OT 25 OKT96pa 1971 r.N 1759 cpok BBeneHna ycTaHoBneH c01.01.73npoBepeH B 1985 r.nocTaHoBneHneM ToccTaHnapTa oT 21.02.85 N 351 cpoKAencTBna nponneH Ao 01.01.91B3AMEH TOCT 7980-56 B acTn pa3n.Il InEPEM3AHVE (HBapb 1986 r.)c M3MeHeHneM N 1,yTBepxkneHHbIM BdpeBpane 1985 r.(WyC 5-85).HacTogwnn cTaHnapT pacnpocTpaHaeTca Ha 3onoTo-cepeopaHo-MeAHble,30n0TO-MeAHble n 30n0To-cepe6paHble cnnaBbl n ycTaHaBnnBaeT npoonpHbinMeTon onpeneneHna conepxkaHna 3onoTa (npn MaccoBon none oT 33,0 no 99,3 %n cepe6pa (npn MaccoBon none oT 0,3 o 42,0 %)MeTo OCHOBaH Ha konneKTnpoBaHnn 3onoTa n cepeopa CBNHUOM,CnocnenyHOLM KynennpoBaHneM,KOTopoe COCTONT B OKNCNNTenbHoM nnaBneHNNCBNHLa,B pe3ynbTate uero nonyuaeTCa 30noTo-cepe6pAHbin Koponek.(V3MeHeHHaa penaKuna,V3M.N 1).1.O6山E TPE6 OBAHVA1.1.06wne Tpe6oBaHna K MeTony aHann3a-no [OCT 22864-83.
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