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Zinc chromate pigments — Basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments — Tech…

Zinc chromate pigments — Basic zinc potassium chromate pigments and zinc tetrahydroxychromate pigments

Overview ISO 1249:1974 specifies requirements and corresponding test methods for zinc chromate pigments - specifically basic zinc potassium chromate (types la and lb) and zinc tetrahydroxychromate (t…

Statistical methods for quality control of building materials and components

Overview ISO 12491:1997 - Statistical methods for quality control of building materials and components - provides general principles and operational techniques for applying statistical quality contro…