GB/T 44331-2024 High purity lithium borate

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1479.1-2011 Metallic powders—Determination of apparent density—Part 1:Funnal method GB/T 6678-2003 General principles for sampling chemical products GB/T 11064.4-2013 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 4:Determination of potassium and sodium content—Flame atomic absorption spectrometric method GB/T 11064.8-2013 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 8:Determination of silicon content—Molybdenum blue spectrophotometric method YS/T 229.2-2013 Methods for chemical analysis of high pure lead—Part 2:Determination of arsenic content—Atomic fluorescence spectrometry YS/T 509.1-2008 Methods for chemical analysis of spodumene and lepidolite concentrates—Determination of lithium oxide,sodium oxide,and potassium oxide contents—Flame atomic absorption spectometric 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 12805-1991 Laboratory glassware—Burettes GB/T 12805-2011 Laboratory glassware—Burettes