发布日期:2019-01-09 浏览次数:571
氟化钠(工业级)
分子式:NaF
分子量:41.99
CAS号:7681-49-4
联合国编码:1690
海关编码:2826.1920.10
【氟化钠的物化性质】:白色结晶或粉末。分子式NaF,比重2.558,溶于水, 不溶于乙醇。
【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 | 98.76 |
二氧化硅含量(SiO2) | ≤0.5 | 0.42 |
硫酸盐含量(SO4) | ≤0.3 | 0.05 |
酸度含量(HF) | ≤0.1 | 0.01 |
碳酸钠含量(Na2CO3) | ≤0.5 | 0.25 |
水不溶物含量 | ≤0.5 | 0.30 |
水(H2O) | ≤0.5 | 0.20 |
细度(粉末状) | 150-200目 | 200目通过90% |
细度(结晶状) | 80-90目 | 80目通过90% |
【产品用途】: 氟化钠是一种重要的氟盐,主要用作于水处理剂、木材防腐、陶瓷绘画、轻金属氟盐电解熔剂。 作用于农业杀虫剂、杀菌剂。 核工业中用作UF3吸附剂,以及制造其它氟化物原料。
【包装】: 聚乙烯编织袋内衬塑料袋、阀口袋、集装袋,每袋净重25公斤或1000公斤,或根据客户要求订做。
【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)
Molecular weight :42
CAS No.:7681-49-4
UN No.:1690
HS Code:2826.1920.10
[Properties]: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 |
Sodium fluoride(NaF) | ≥98 | 98.76 |
Silicon dioxide (SiO2) | ≤0.5 | 0.42 |
Sulfate (SO4) | ≤0.3 | 0.05 |
Acidity (HF) | ≤0.1 | 0.01 |
Sodium carbonate (Na2CO3) | ≤0.5 | 0.25 |
Water insoluble matter | ≤0.5 | 0.30 |
Water(H2O) | ≤0.5 | 0.20 |
Grain size(white powder) | 120-200mesh | Passing 90% through 200 mesh |
Grain size(white crystal) | 80-90mesh | Passing 90% through 80 mesh |
[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.
[Packing]: polyethylene weaving inner lined with plastic bag,flexible freight bag,Valve mouth bag. Net weight is 25kg or 1000kg.As per customer’s required.
[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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