氟化鈉(工業(yè)級)
分子式:NaF
分子量:41.99
CAS號:7681-49-4
聯合國編碼:1690
海關編碼:2826.1920.10
【氟化鈉的物化性質】:白色結晶或粉末。分子式NaF,比重2.558,溶于水, 不溶于乙醇。
【產品質量標準】:符合國標(GB4293-84)一級品指標要求。
指標項目 | 國標含量(%) | 實測值(%) |
氟化鈉含量(NaF) | ≥98 | 98.76 |
二氧化硅含量(SiO2) | ≤0.5 | 0.42 |
硫酸鹽含量(SO4) | ≤0.3 | 0.05 |
酸度含量(HF) | ≤0.1 | 0.01 |
碳酸鈉含量(Na2CO3) | ≤0.5 | 0.25 |
水不溶物含量 | ≤0.5 | 0.30 |
水(H2O) | ≤0.5 | 0.20 |
細度(粉末狀) | 150-200目 | 200目通過90% |
細度(結晶狀) | 80-90目 | 80目通過90% |
【產品用途】: 氟化鈉是一種重要的氟鹽,主要用作于水處理劑、木材防腐、陶瓷繪畫、輕金屬氟鹽電解熔劑。 作用于農業(yè)殺蟲劑、殺菌劑。 核工業(yè)中用作UF3吸附劑,以及制造其它氟化物原料。
【包裝】: 聚乙烯編織袋內襯塑料袋、閥口袋、集裝袋,每袋凈重25公斤或1000公斤,或根據客戶要求訂做。
【貯運】: 本品屬無機有毒物品,宜存放在干燥、通風良好的儲存室,不宜與硫酸或食品同運和貯存。
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.