GB/T 209-2018 (English Version)

GB/T 209-2018 Referenced Document

GB 190 Packing symbol of dangerous goods
GB/T 11213.2 Sodium hydroxide for chemical fiber use.Determination of sodium chloride content.Spectrometric method
GB/T 15915 Paking containers Caustic alkali steel drum
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 209 Sodium hydroxide for industrial use
GB/T 209-2018 Sodium hydroxide for industrial use
GB/T 4348.1 Sodium hydroxide for industrial use.Determination of sodium hydroxide and sodium carbonate content
GB/T 4348.2 Sodium hydroxide for industrial use.Determination of sodium chloride content.Mercurimetric method
GB/T 4348.3 Sodium hydroxide for industrial use.Determination of iron content.1,10-phenanthroline photometric method
GB/T 601 Chemical reagent.Preparations of reference titration solutions
GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
GB/T 6678 General principles for sampling chemical products
GB/T 6679 General rules for sampling solid chemical products
GB/T 6680 General rules for sampling liquid chemical products
GB/T 7698 Sodium hydroxide for industrial use.Determination of carbonates content.Titrimetric method
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9725 Chemiaal reagent.General rule for potentiometric titration