GB/T 44539-2024 Technical specification for fluorspar

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 5195.2-2006 Fluorspar—Determination of carbonate content GB/T 5195.6-2006 Fluorspar—Determination of phosphorus content GB/T 5195.6-2017 Fluorspar—Determination of phosphorus content—Photometric method GB/T 5195.8-2006 Fluorspar—Determination of silicon dioxide content GB/T 5195.17-2018 Fluorspar—Determination of flotation agents—Gravimetric method GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 19077-2016 Particle size analysis—Laser diffraction methods GB/T 19077.1-2003 Particle size analysis—Laser diffraction method GB/T 19077.1-2008 Particle size analysis—Laser diffraction methods—Part 1:General principles GB/T 22563-2008 All grades of fluorspar—Determination of moisture content of a lot GB/T 22564-2008 Fluorspar—Sampling and sample preparation GB/T 31313-2014 Fluorspar—Determination of particle size distribution by sieving GB/T 19077-2024 Particle size analysis—Laser diffraction methods GB/T 191-2025 Graphical symbols marking for handling and storage of packages