STM PDF

Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of particle size distribution by mechanical sieving. Original standard ISO 2996-1974 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Phosphoric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry. Original standard ISO 2997-1974 in PDF full version. Additional info + preview on request

Document status: Active

Sodium tripolyphosphate and sodium pyrophosphate for industrial use - Determination of orthophosphate content - Photometric method using the reduced molybdophosphate. Original standard ISO 2998-1974 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Milk products - Enumeration of bifidobacteria - Colony-count technique. Original standard ISO 29981-2024 in PDF full version. Additional info + preview on request

Document status: Active

Plastics - Polyoxymethylene (POM) moulding and extrusion materials - Part 1- Designation system and basis for specifications. Original standard ISO 29988-1-2019 in PDF full version. Additional info + preview on request

Document status: Active

Plastics - Polyoxymethylene (POM) moulding and extrusion materials - Part 2- Preparation of test specimens and determination of properties. Original standard ISO 29988-2-2018 in PDF full version. Additional info + preview on request

Document status: Active