1. Laboratory glassware cleaning validation in pharmaceutical industry: a case study

   • Linda Belgacem
   • Redouane Amine Cherif

   General Paper 06 February 2023 Pages: 59 - 64

   

2. On the optimal use of silver–silver chloride reference electrodes

   • Igor Maksimov
   • Toshiaki Asakai
   • Masaki Ohata

   Practitioner's Report 07 February 2023 Pages: 65 - 68

   

3. Evaluation of the 1R6F certified reference cigarette for proficiency testing of mainstream smoke parameters

   • Stacey Slone
   • C. Ruth McNees
   • Orlando Chambers

   Practitioner's report Open access 13 March 2023 Pages: 69 - 76

   

4. Correction to: Improving performance evaluation via the provision of proficiency testing programmes in Asia–Pacific with metrologically traceable reference values for inorganic elements

   • Yiu-Tung Wong
   • Alvin Wai-Hong Fung
   • Della Wai-Mei Sin

   Correction 07 March 2023 Pages: 77 - 79