The Company also provides air conditioning to clean, remove machines, add fluoride, repair services, as long as you dial our phone, we can let you enjoy high quality and low price of professional services, and provide quality assurance services.
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Add fluoride can add air conditioning?
空调加氟可以多加吗？
Conceal disturbing elements like iron, copper, lead with hydrogen fluoride amine-EDTA, add the potassium iodide to separate iodine, and take starch as indicator, titrate with sodium hyposulfite.
试样以王水分解、泡塑富集分离金，硫脲解脱，以硝酸-硫酸破坏硫脲，用氟化氢胺- EDTA掩蔽铁、铜、铅等干扰元素，加碘化钾使之析出碘，以淀粉为指示剂，用硫代硫酸钠进行滴定。
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