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Products

Reagent Ammonium Fluoride

Quality StandardGB/T 1276-1999

Molecular FormulaNH4F                Molecular Weight37.04

Item

Index

G.R.

A.R.

C.P.

Ammonium Fluoride (NH4F) %  ≥

96.0

96.0

95.0

Clarify Degrees Test

qualified

qualified

qualified

Ignition Residue(Express as SO4) %   ≤

0.005

0.02

0.05

Free Acid(Express as NH4HF2) %   ≤

0.2

0.5

1.0

Free Alkali

qualified

qualified

qualified

Chloride(Cl) %   ≤

0.0005

0.005

0.01

Sulfate(Express as SO4) %  ≤

0.005

0.01

0.02

Fluosilicate %  ≤

0.08

0.30

0.60

Fe  %  ≤

0.0005

0.002

0.004

Heavy metal(Express as Pb) %  ≤

0.0005

0.001

0.002

Properties
The product is a white powdery crystal. It can deliquesce easily and dissolve easily in water. It can dissolve in alcohol slightly. It can be resolved when it is affected by the heat or it is in hot water. It can corrode glass. It’s poisonous.
Application
The product can be used for glass frosting or extracting rare elements and used as a preservative or a mordant.
Storage
Moisture-proof and sealed preservation is needed.
Transport
It should be treated as inorganic poisonous goods.
Packing
The product is packed in a 10kg or 20kg polythene plastic bag. Also pack it on consumer requests.

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