Urea Crystal, GR for analysis ACS

VICTORIA BLUE, (C.I.44045) FOR MICROSCOPY

TEKNİK ÖZELLİKLER

Catalog number

978.015.1000
Packaging type

Plastic Bottle
Package quantity

1KG
Quality grade

ACS
Quantity

≥ 99.5 % (DSC)
Absorbance

≤ 0.1 AU (an aqueous solution 8 M in a 1 cm cell at 260 nm) / ≤ 0.1 AU (an aqueous solution 8 M in a 1 cm cell at 280 nm)
Acidity

≤ 0.002 % (as HCl)
Alkalinity

≤ 0.01 % (as NaOH)
Ammonium (NH₄⁺)

≤ 0.00001 %
Ammonium (NH₄⁺)

≤ 0.05 %
Appearance of solution

Colorless, clear
Assay

≥ 99 %
Biuret

≤ 0.1 %
Chloride (Cl⁻)

≤ 0.0005 %
Copper (Cu)

≤ 0.0001 %
Fe (iron)

≤ 0.0001 %
Heavy metals (ACS)

≤ 0.001 %
Heavy metals (as Pb)

≤ 0.0004 %
Insoluble matter

≤ 0.01 %
Identity (IR spectrum)

passes test
Loss on drying

≤ 1.0 %
Melting point

132 - 135 °C
Pb (Lead)

≤ 0.0002 %
Sulfate (SO₄²⁻)

≤ 0.001 %

UREA ≥ 99.0%, CRYSTAL GR FOR ANALYSIS ACS