GOST 6689.1-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of copper
GOST 6689.2-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of nickel
GOST 6689.3-1992 Nickel, nickel and copper-nickel alloys. Method for the determination of nickel and cobalt sum
GOST 6689.4-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of zinc
GOST 6689.5-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of iron
GOST 6689.6-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of manganese
GOST 6689.7-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of silicon
GOST 6689.8-1992 Nickel, nickel and copper-nickel alloys. Methods for the determination of aluminium
GOST R ISO 2859-1-2007 Statistical methods. Sampling procedures for inspection by attributes. Part 1. Sampling schemes indexed by acceptance quality limit for lot-by-lot inspection