TC17/SC3/p1

Revision of R 54:1981 pH scale for aqueous solutions

• Final Draft submitted to 61st CIML Meeting in October 2026 for approval

BIML Contact

Convener

• 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 (9)

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

Organizations in Liaison