our company was built in 2009 with an iso certificate.in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
our advantage:
1. higest quality and good package
2.fast delivery
3.better payment term
4.fast response to customer within 6 hours
5.good business credit in europe ,us ,japan ,korea
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.