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氟化钠(工业级)产品介绍及使用说明书 |
CAS 号:7681-49-4 联合国编码:1690 海关编码:2826192010 分子量:42 【氟化钠的物化性质】:无色立方或四方结晶。对湿敏感。水中溶解度(g/100ml):15℃时4,25℃时4.3,100℃时5,不溶于乙醇。水溶液部分水解呈碱性反应。新配制的饱和溶液pH为7.4。其水溶液能使玻璃发毛,但其干燥的结晶或粉末可存放在玻璃瓶内。相对密度2.78。熔点993℃。沸点1704℃。中等毒,半数致死量(大鼠,经口)0.18g/kg。有强刺激性。 【产品质量标准】:符合国标(GB4293-84)一级品指标要求。
指标项目 | 国标含量(%) | 实测值 | 氟化钠含量(NaF) | ≥98 | 98.36 | 二氧化硅含量(SiO2) | ≤0.5 | 0.40 | 硫酸盐含量(SiO4) | ≤0.3 | 0.05 | 酸度含量(HF) | ≤0.1 | 0.05 | 碳酸钠含量(Na2CO3) | ≤0.5 | 0.10 | 水不溶物含量 | ≤0.7 | 0.28 | 水(H2O) | ≤0.5 | 0.10 | 目数 | 80-250目 | 80-250目 |
【产品用途】:氟化钠是一种重要的氟盐,涂装工业中作磷化促进剂,使磷化液稳定,磷化细化,改良磷化膜性能。铝及其合金磷化中封闭具有危害性很大的负催化作用的Al3+,使磷化顺利进行木材防腐剂、农业杀虫剂、酿造业杀菌剂、医药防腐剂、焊接助焊剂、碱性锌酸盐镀锌添加剂及搪瓷、造纸业等。
【包装】:聚乙烯编织袋内衬塑料袋,每袋净重25KG(出口包装)。 【贮运】:本品属无机有毒物品,宜存放在干燥、通风良好的储存室,不宜与硫酸或食品同运和贮存。 |
Sodium fluoride(industrial grade) |
CAS No.: 7681-49-4 UN No.:1690 HS Code:2826192010 Molecular weight: 42 [Properties]:Sodium fluoride is anhydrous white crystal or powder. Molecular formula is NaF. Specific gravity is 2.6. It is slightly soluble in water, insoluble in ethanol. [Quality standard]:qualified with the standard [GB4293-84] excellent grade. Index item | Standard content(%) | Test result | Appearance | White powder | White powder | Sodium fluoride(NaF) | ≥98 | 98.76 | Silicon dioxide (SiO2) | ≤0.5 | 0.45 | Sulfate (SiO4) | ≤0.3 | 0.05 | Acidity (HF) | ≤0.1 | 0.05 | Sodium carbonate(Na2CO3) | ≤0.5 | 0.1 | Water insoluble matter | ≤0.5 | 0.45 | Water(H2O) | ≤0.5 | 0.1 | Mesh size | 80-200mesh | 100mesh |
| [Application]:Sodium fluoride is an important villiaumite. It is used for water treatment agent, wood antisepsis, chinaware paint, and light metal villiaumite electrolyte flux. It is used as agriculture pesticide and bactericide. It is used as UF3 in nucleus industry. It is also used as other fluoride materials and porcelain enamel medical industry. [Packing]:Polyethylene weaving inner lined with plastic bag. Net weight is 25kg(exported packing). [storage and transportation ]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food. |
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我公司主要产品有:氟化钠、氟硅酸钠、冰晶石、氟化铵、氟化氢铵、氟硼酸钾、氟钛酸钾、氟锆酸钾等;
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