Inorganic mineral elements in tea are about 27 species, including phosphorus, potassium, sulfur, magnesium, manganese, fluoride, aluminum, calcium, sodium, iron, copper, zinc, selenium and other.
茶叶中的无机矿质元素约有27种，包括磷、钾、硫、镁、锰、氟、铝、钙、钠、铁、铜、锌、硒等多种。
The electroplating aluminum solution comprises the following components: xylene, tri-ethyl aluminum, sodium fluoride, and 0.01-8% additive.
本发明的电镀铝液组成如下：二甲苯、三乙基铝、氟化钠、0.01% - 8%的添加剂组成。
The electroplating aluminum solution comprises the following components: xylene, tri-ethyl aluminum, sodium fluoride, and 0.01-8% additive.
本发明的电镀铝液组成如下：二甲苯、三乙基铝、氟化钠、0.01% - 8%的添加剂组成。
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