Our company applies a quality management system, based on the principles of the Standard EN ISO 9001:2008, for all stages of the production process and all her facilities as well. The Quality Management System is certified by the international german bodies of Standardization DEKTA CERTIFICATIONS and LGA.

The continuous checks to the incoming raw material and all production stages, ensure the excellent quality of the product.

CERTIFICATION MARKS DEKTA CERTIFICATIONS & LGA

MATERIAL EXAMINATIONS

Test Dimension Requirements Test findings Result
Arsenic mg/kg < 10 2,4
Lead mg/kg < 10 5,0
Cadmium mg/kg < 0,7 < 0,1
Chrome mg/kg < 70 8700
Copper mg/kg < 70 5,7
Nickel mg/kg < 25 200
Mercury mg/kg < 1 < 0,5
Zinc mg/kg < 200 50

For the elements which exceed the limiting value an aqueous according to DIN ISO 9001:2008 is produced and this eluate is examined.

ELUAT ANALYSIS

Parameter Dimention Limiting Value Value Result Method
pH-value - 5,5 – 11,0 8,1 38404-C 5
Contuctivity μS/cm < 2,000 415 EN 27888
TOC mg/l < 20 < 1 EN 1484
AOX mg/l < 0,1 < 0,01 EN 1485
Phenol index mg/l < 50 < 10 38409-H 16
Cholide mg/l < 125 100 EN ISO 10304-1
Sulphate mg/l < 250 14 EN ISO 10304-1
Cyanid (total) mg/l < 50 < 10 38405-D 13-1

ELUATE ANALYSIS (FOR THE ELEMENTS WHICH EXCEED THE GUIDELINE VALUE AFTER DIGESTION WITH AQUA REGIA).

Parameter Dimension Requirements Test findings Result
Arsenic mg/kg < 20 -
Lead mg/kg < 100 -
Cadmium mg/kg < 5 -
Chrome mg/kg < 100 < 5
Copper mg/kg < 200 -
Nickel mg/kg < 200 < 10
Mercury mg/kg < 1 -
Zinc mg/kg < 300 -

POLYCYCLIC AROMATIC HYDROCARBON (PAH)

Parameter Dimension Requirements Test findings Result
Total PAH mg/kg < 10 < 0.2
Benzo[a]pyrene mg/kg < 20 < 0.2
Parameter Examination Methods
Heavy metal material contents After digestion with aqua regia the determination of Arsenic, Lead, Cadmium, Chrome (total), Copper, Nickel, Mercury, Zinc was carried out by means of ICP according to DIN EN ISO 11885.
Eluate Analysis An aqueous eluate is produced according to DIN EN ISO 38414-S4.
ph-value DIN 38404-C 5
Conductivity DIN EN 27888
TOC DIN EN 1484
AOX DIN EN 1485
Phenol index DIN 38409- H 16
Chloride DIN EN ISO 10304 -1
Sulphate DIN EN ISO 10304 – 1
Cyanide (total) DIN 38405-D 13-1
Arsenic DIN EN ISO 11969
Lead DIN 38406-E 6-3
Cadmium DIN EN ISO 5961
Chrome, total DIN EN 1233
Chrome (VI) DIN 38405-D 24
Copper DIN EN ISO 11885
Nickel DIN 38406-E 11-2
Mercury DIN EN 1483
Zinc DIN EN ISO 11885
Polycyclic Aromatic Hydrocarbons (PAH) The sample is extracted by n-hexane and analyzed by means of capillar GC/MS. The following substances are analysed: Naphthalene, Acenaphthylene, Acenaphthene, Fluorene, Phenanthrene, Anthracene, Fluoranthene, Pyrene, Chrysene, Benzo(a)anthracene, Benzo(b)fluoranthene, Benzo(k)fluoranthene,Benzo(a)pyrene, Dibenzo (a,h)anthracene, Indeno(c,d)pyrene, Benzo(g,h,i)perylene
Nuklid Decay chain or half-time T 1/2 Spez. activity [Bq/kg] Comment
K 40 1,3 E 09 years 618 natural
Ra 226 Uran 47 natural
Th 232 Thorium 31 natural
Th 234 Uran 31 natural
U 235 Uran 235 < 1 natural
Cs 137 30 Jahre < 1 artificial