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氟化銨

專門從事氟化係列產品研究、開發、生產和經營



 

CAS 號:12125-01-8

 

分子式:NH4F

 

分子量:37.04

 

海關編碼:2826.1910.90

 

  

【性狀】:色透明或白色結晶,相對密度1.009(25)。 空氣中易潮解,易結塊,易溶於水,水溶液呈酸性,對皮膚有腐蝕性,有毒。可溶於醇,不溶於丙酮和液氨。受熱或遇熱水即分解成氨和氟化氫。

  

【產品指標】:

指標名稱

指  標  

優等品

一等品

氟化銨 (NH4   F) 含量, %

97.00

95.00

灼燒殘渣含量, %

0.05

0.10

遊離銨(NH4   )含量,%

≤1.2

≤1.5

氟矽酸銨〔( NH   4 )2 SiF 6 〕含量,%

0.50

1.00

水不溶物含量,%

≤0.5

≤0.5

水份,%

≤3

≤5

 

【產品用途】:用作玻璃蝕刻劑,金屬表麵的化學拋光劑、釀酒的消毒劑,防腐劑,纖維的媒染劑,也用於提取稀有元素等。

 

【包裝】: 聚乙烯編織袋內襯塑料袋,每袋淨重25公斤,或根據客戶要求訂做。

 

【貯運】: 本品屬無機有毒物品,宜存放在幹燥、通風良好的儲存室,不宜與硫酸或食品同運和貯存。

 

 

 

 

 

Ammonium  fluoride

 

Formula:NH4F

 

Molecular:37.04

 

CAS No.:12125-01-8

 

HS Code:2826.1910.90

 

[Properties]:colorless or white crystal, relative density is 1.009(25℃).Eeasy to deliquescence and caking in the air.Soluble in water,and appears acidity,with corrosive to skin and toxic.Soluble in alcohol,but insoluble in propanone and liquid ammonia.,it will occur to release ammonia and ammonium bifluoride when it is in hot water or heated.

 

[Quality standard]:

 

Index Name

Target Index

Excellent-class

First-class

Ammonium fluoride (NH4 F) content %

≥97.00

≥95.00

Combustion residue content %

≤0.05

≤0.10

Free ammonia (NH4 ) content %

≤1.2

≤1.5

Ammonium Fluorosilicate

( NH 4 )2 SiF 6 content %

≤0.50

≤1.00

Mass Franction of loss on dry %

≤0.5

≤0.5

Moisture %

≤3

≤5

 

[Application]:It is uesed for glass etchant,chemical polish for metal surface,preservative and disinfector in brewing,fibrous mordant,and also be used to extract rare elements.

 

[Packing]: Polyethylene weaving inner lined with plastic bag. Net weight is 25kg.Or 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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