TC17/SC3 pH-metry

BIML Contact

Secretariat

• RUSSIAN FEDERATION
  Prof. Vladimir DOBROVOLSKIY

Participating Members (12)

• CHINA
• CZECHIA
• ETHIOPIA
• GERMANY
• HUNGARY
• INDIA
• IRAN
• JAPAN
• POLAND
• RUSSIAN FEDERATION
• SOUTH AFRICA
• UNITED STATES

Observer Members (10)

• AUSTRALIA
• DENMARK
• INDONESIA
• NAMIBIA
• PORTUGAL
• ROMANIA
• SERBIA
• SLOVAKIA
• SPAIN
• UKRAINE

Organisations in Liaison

• IEC International Electrotechnical Commission
• ISO International Organization for Standardization
• IUPAC International Union of Pure and Applied Chemistry

Responsible for

• R 54:1981(en) pH scale for aqueous solutions

Projects

• p 1 Revision of R 54: pH scale for aqueous solutions
• CIML consultation phase (preliminary ballot): 1 DRAFT submitted to CIML preliminary ballot - 2026-03-24
• Draft for CIML Preliminary Online Ballot posted 2026-03-24, deadline 2026-06-30