Tris
Product Name: Trometamol(Tris)
Product Numbers: BT350-100G,BT350-500G,BT350-1KG,BT350-5KG,BT350-10KG,BT350-25KG
SIZE: 100g,500g,1kg,5kg,10kg,25kg
Molecular Formula:C4H11NO3
Molecular Weight:121.14
CAS: 77-86-1
TEST
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SPECIFICATION
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Appearance
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White crystalline powder
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Assay,%
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≥99.5
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MP
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168-171℃
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PH (5% aq.)
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10.0-11.5
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Heavy Metals,ppm
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≤5
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Water content
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≤0.2
|
Iron ion, ppm
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≤1
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Sulfate Ion,ppm
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≤10
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Solubility(40% in H2O)
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Colorless,clear
|
Chloride,ppm
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≤3
|
Ultraviolet absorbance(280nm,1 M aq.)
|
≤0.07
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Ultraviolet absorbance(400nm,1 M aq.)
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≤0.042
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Infrared Spectroscopy
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Conforms
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