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          本站首頁 公司簡介 產(chǎn)品導(dǎo)航 企業(yè)榮譽 聯(lián)系我們 在線訂購

               產(chǎn)品導(dǎo)航

           

          氟化鈉

           

          分子式:NaF
          分子量:41.99
          危險編號:1690
          危險級別:6.1類
          商品編碼:2826192010
          包裝;25kg 聚乙烯內(nèi)襯塑編袋/1000kg噸袋/牛皮紙袋
          物化性質(zhì):
          白色貨次白色粉末,比重2.258,熔點993℃,沸點1695℃,微溶于水,水溶液呈弱堿性,可溶于氫氟酸,生成氟化氫鈉。有毒!
          產(chǎn)品用途:
          用作農(nóng)業(yè)殺蟲劑,木材防腐劑,金屬助熔劑,分析試劑,也用于機械報到的鑲鋼焊接發(fā)酵設(shè)備,氟化合物的制造。
          質(zhì)量指標(biāo)(Quality Index):

          指標(biāo)名稱

          牙膏級

          晶狀

          粉狀

          二級品

          氟化鈉 NaF % ≥98.5 ≥98 ≥98 ≥95.97
          水不溶物% ≤0.1 ≤0.5 ≤0.5 ≤0.7
          硫酸鹽(以so42計) ≤0.2 ≤0.3 ≤0.3 ≤0.3
          氧化硅 ≤0.4 ≤0.5 ≤0.5 ≤0.5
          碳酸鈉 ≤0.1 ≤0.2 ≤0.2 ≤0.5
          酸鈉(以HF計) ≤0.1 ≤0.2 ≤0.2 ≤0.2
          水份 ≤0.2 ≤0.5    
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