Assay (Acidim.).......................................................................36,5-38,0 %

Density at 15/4..................................................................................≥1,19

Appearance.......................................................................................... p/t.

MAX. IMPURITIES

APHA colour...........................................................................................10

Residue on ignition (as SO4)....................................................... 0,0005 %

Extractable organic substances........................................................... p/t.

Chlorine (Cl)................................................................................ 0,0001 %

Bromide (Br)................................................................................. 0,005 %

Sulphate (SO4)............................................................................ 0,0001 %

Sulphite (SO3)............................................................................. 0,0001 %

Ammonium (NH4)........................................................................ 0,0003 %

Heavy metals (as Pb).................................................................. 0,0001 %

Metals by ICP [mg/Kg (ppm)]

Ag..........................0,05

Al.............................0,1

As..........................0,01

Au............................0,1

B..............................0,2

Ba..........................0,05

Be..........................0,02

Bi...........................0,05

Ca............................0,5

Cd..........................0,01

Co..........................0,01

Cr...........................0,02

Cu..........................0,02

Fe.............................0,2

Ga..........................0,05

Ge..........................0,02

Hg............................0,1

In............................0,05

K..............................0,1

Li............................0,02

Mg...........................0,1

Mn.........................0,01

Mo.........................0,01

Na............................0,5

Ni...........................0,02

Pb..........................0,02

Pt.............................0,1

Sb..........................0,01

Si.............................0,1

Sn............................0,1

Sr...........................0,02

Ti............................0,02

Tl............................0,02

V............................0,01

Zn..........................0,05

Zr...........................0,02