aucolab

Quality control Laboratory
The quality control laboratory make sure that all the products of Auco Chem & Co are technologically advanced and that they respect the required quality standards as well as the legal standards by respecting the current regulation in terms of ecology and safety.

Filter method

UNI EN ISO 14088
Quantitative determination of tanning agents ( or tanning
matters and non-tanning agents of vegetable and synthetic tannins.

Chrome VI

UNI EN ISO 17075
Quantitative determination of chromium VI content in leathers after extraction of phosphate buffer sample. This method is suitable for the quantification of chromium content VI( in leathers down to 3mg/kg. The normative is applicable to all types of leather.

Determination of soluble matter in Dichloromethane

UNI EN ISO 4048
Extraction instrument: Soxhlet apparatus
Determination of fatty acid and other extractable soluble matters from a leather with dichloromethane through the help of soxhlet apparatus.

Determination of organic and inorganic matters

UNI EN ISO 4098
Determination of water-soluble matters of a leather after extraction in aqueous phase. These water-soluble matters will give an organic and an inorganic contribute.

Determination of sulphated total ashes

UNI EN ISO 4047
Determination of the total inorganic matters contained in a leather after the total ashing of the organic matter.

Determination of pH and δ pH

UNI EN ISO 4045
Ph determination of the aqueous extract of a leather through the use of a ph-meter.

Chemical determination of chromic oxide content

UNI EN ISO 5398-1
Determination of chromic oxide content through iodometric titration.

Determination of humidity content and volatile content

UNI EN ISO 4684
Determination of water content and of volatile matters of a leather after the pre-heating in an oven.

Qualitative determination with ir-spectrophotometer

Internal method AUCO ir
Qualitative determination of a substance/matter through the acquisition of the characteristic FT-IR specter.

Qualitative and quantitative determination with UV-VIS spectrophotometer

Internal method AUCO –UV
Qualitative determination of a matter and indication of concentration in solution through the acquisition of the characteristic UV-VIS specter.

Water content determination

Internal method: Auco –h2O
Instrument: Automatic tritator Karl Fisher
Determination of water content in a substance/matter

Determination of dry matter

Internal method: Auco –sec
Instrument: Oven
Determination of dry-matter of a substance/matter

Ph determination

Internal method Auco-Ph
Instrument: Ph meter
Determination of pH of a matter/substance