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ISO 3704:1976 Sulphur for industrial use — Determination of acidity — Titrimetric method
ISO 3705:1976 Sulphur for industrial use — Determination of arsenic content — Silver diethyldithiocarbamate photometric method
ISO 1619:1976 Cryolite, natural and artificial — Preparation and storage of test samples
ISO 142:1976 Textile machinery and accessories — Weaving preparatory machines — Definition of left and right sides
ISO 1620:1976 Cryolite, natural and artificial — Determination of silica content — Reduced molybdosilicate spectrophotometric method
ISO 1693:1976 Cryolite, natural and artificial — Determination of fluorine content — Modified Willard-Winter method
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