Methods

Wet chemical analysis according to DIN EN 12902:2005 – Test methods for inorganic supporting and filtering materials

DIN 645: Paper and board intended to come in contact with foodstuffs

               Preparation of a cold water extract

               (Cold water extract of depth filter sheets)

DIN 647: Paper and board intended to come in contact with foodstuffs 

               Preparation of a hot water extract

               (Hot water extract of depth filter sheets)

ISO 5267-1 Pulps - Determination of drainability - Part 1: Schopper-Riegler method

DIN 54402 - Testing of ion exchangers - Determination of the total capacity of

                     anion exchangers

DIN 54403 - Testing of ion exchangers - Determination of the total capacity of

                     cation exchangers

ASTM D4607 - Standard Test Method for Determination of Iodine Number of Activated Carbon

CEFIC - Test Methods for Activated Carbon_86

Analysis according to EFT e.V. - Europäische Fachvereinigung Tiefenfiltration

Analysis according to MEBAK e.V. - Mitteleuropäische Brautechnische Analysenkommission

Analysis according to FFC 7 - Food Chemical Codex 

Analysis according to JSFA 8 - Japan's Specifications and Standards for Food Additives 8th Edition

Analysis accoding to the requirements of the customer (company-specific analysis regulations)