Q 51 标准查询与下载

DB23/T 3602-2023 石墨矿化学分析方法 钾、钠、硅含量测定 偏硼酸锂熔融-电感耦合等离子体原子发射光谱法

Chemical analysis method of graphite ore Determination of potassium, sodium and silicon content Lithium metaborate melting-inductively coupled plasma atomic emission spectrometry

DB23/T 3601-2023 鳞片石墨单位产品能耗限额

Flake graphite unit product energy consumption limit

DB23/T 3327-2022 天然鳞片石墨中微量五氧化二磷含量测定 磷目蓝分光光度法

Determination of Trace Phosphorus Pentoxide Content in Natural Flake Graphite by Phosphoreme Blue Spectrophotometry

DB23/T 3328-2022 天然鳞片石墨中微量三氧化二磷铬天青S分光光度法

Spectrophotometric Method of Trace Phosphorus Trioxide Chromium Azure S in Natural Flake Graphite

DB23/T 2963-2021 天然鳞片石墨中微量钙含量测定钙-偶氮胂Ⅲ分光光度法

Determination of Trace Calcium Content in Natural Flake Graphite by Calcium-Arsenazo Ⅲ Spectrophotometric Method

DB23/T 2962-2021 天然鳞片石墨石墨化度测定方法

Determination method of degree of graphitization of natural flake graphite

JC/T 2571-2020 高纯石墨中微量元素测定方法

Determination method of trace elements in high-purity graphite

JC/T 2572-2020 石墨矿固定碳含量测试方法

Test method for fixed carbon content of graphite ore

JC/T 519-2020 显像管石墨乳

Picture tube graphite emulsion

DB23/T 2313-2019 石墨烯材料 比表面积的测定 氮气吸附法

Determination of specific surface area of graphene materials Nitrogen adsorption method

DB23/T 2314-2019 石墨烯材料微量金属元素镍、铁、铬、铜、钠、铝、镁、锌、锰、钙的测定 电感耦合等离子体发射光谱法（ICP-OES）

Determination of trace metal elements nickel, iron, chromium, copper, sodium, aluminum, magnesium, zinc, manganese and calcium in graphene materials by inductively coupled plasma optical emission spectrometry (ICP-OES)

DB23/T 2067-2018 低硫高抗氧化性可膨胀石墨技术条件

Technical conditions for expandable graphite with low sulfur and high oxidation resistance

DB23/T 1906-2017 石墨原矿及精矿中镁、铝、硅、钾、钙、铁元素含量的测定 X射线荧光光谱法

Determination of content of magnesium, aluminum, silicon, potassium, calcium and iron in graphite raw ore and concentrate X-ray fluorescence spectrometry

DB23/T 1905-2017 石墨薄膜制品常温导热系数测定方法

Method for determination of thermal conductivity of graphite film products at room temperature