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Cupferron (N-Hydroxy-N-nitrosobenzenamine ammonium salt) 135-20-6 Cupferron (N-Hydroxy-N-nitrosobenzenamine ammonium salt)
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Content |
≥95%-98.0%
|
Melting point range
|
120.5-122℃
|
Melting experiment
|
Qualified
|
Residue of ignition (sulfate )
|
0.05-0.1
|
Melting range
|
148℃-152℃ |
Characteristics: a white or bright golden flake crystals, long time home to darken dark, dissolved in water and alcohol, avoid light, cool place sealed to preserve, package a small amount of ammonium carbonate into the container to prevent its decomposition. Melting point:105-151C
Purpose: analytical reagent ( metal elements determination ) for aluminum, copper, bismuth, iron, mercury, zinc, manganese, niobium, tantalum, gallium, thorium, titanium, vanadium, tin and other elements of the weight determination.
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