purity   %	99.9
water % (m/m) ≤	0.05
acidity (calculated as)%(m/m) ≤	0.001
(calculated as formaldehyde)%(m/m) ≤	0.0008
(iron calculated as fe2+)%(m/m) ≤	0.00001
ash %(m/m) ≤	0.002
deg and teg%(m/m)	0.1
chlorine (calculated as iron)% (m/m)	0.00005