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Pharmaceutical Impurities Hub
Created 02 Jul 2025

Working towards better pharmaceutical impurity testing
Created 02 Jul 2025

Testing for polydrug use: the “new normal” in toxicological casework
Created 24 Jun 2025

PCBs, dioxins and furans – a “toxic legacy” that won’t go away
Created 10 Jun 2025

LGC Polychlorinated Biphenyls (PCBs) Hub
Created 05 Jun 2025

Physical property reference standards in pharmaceuticals: focus on colour
Created 28 May 2025

Dr Ehrenstorfer: celebrating 50 years of progress in testing
Created 21 May 2025

Slowly, PFAS Testing is delivering tougher regulations
Created 13 May 2025

EMA “reflection paper” outlines new approach to impurity evaluation
Created 05 May 2025

Positive Material Identification (PMI), and the role of reference standards
Created 30 Apr 2025

Microplastics, macro problem
Created 23 Apr 2025

Pyrrolizidine alkaloids - an “urgent public health concern”?
Created 12 Mar 2025
Elemental analysis of industrial lubricants and oils: an overview
Created 25 Feb 2025

Veterinary drug residues in food - a global view
Created 30 Jan 2025

Anatomy of a tragedy: the global opioid epidemic
Created 28 Jan 2025

Analysing and resolving poor performance in PT
Created 28 Jan 2025

LGC PFAS Hub
Created 24 Jan 2025

Distilling the truth: recent updates to ASTM D86
Created 21 Jan 2025
Acid Number (AN) Standard: 0.5 mg KOH/g in Hydrocarbon Oil
VHG-AN-0.5-100G Region: United States of America (USA)
Acid Number Standard 0.5 mgKOH/g. Reference materials intended for use in the determination of Acid
VHG-AN-0.5-800G Region: United States of America (USA)
Acid Number Standard 1 mgKOH/g. Reference materials intended for use in the determination of Acid Nu
VHG-AN-1-400G Region: United States of America (USA)
Acid Number Standard 1 mgKOH/g. Reference materials intended for use in the determination of Acid Nu
VHG-AN-1-800G Region: United States of America (USA)
Acid Number (AN) Standard: 2.0 mg KOH/g in Hydrocarbon Oil
VHG-AN-2-50G Region: United States of America (USA)
Acid Number Standard 0.1 mgKOH/g. Reference materials intended for use in the determination of Acid
VHG-AN-0.1-400G Region: United States of America (USA)
Acid Number Standard 1.5 mgKOH/g. Reference materials intended for use in the determination of Acid Number in petroleum products by potentiometric titration (ASTM D664) or color-indicator titration
VHG-AN-1.5-400G Region: United States of America (USA)
Acid Number (AN) Standard: 0.1 mg KOH/g in Hydrocarbon Oil
VHG-AN-0.1-100G Region: United States of America (USA)
Acid Number Standard 0.5 mgKOH/g. Reference materials intended for use in the determination of Acid
VHG-AN-0.5-400G Region: United States of America (USA)
Acid Number (AN) Standard: 1.5 mg KOH/g in Hydrocarbon Oil
VHG-AN-1.5-100G Region: United States of America (USA)
Acid Number Standard 3 mgKOH/g. Reference materials intended for use in the determination of Acid Nu
VHG-AN-3-400G Region: United States of America (USA)
Acid Number (AN) Standard: 3.0 mg KOH/g in Hydrocarbon Oil
VHG-AN-3-50G Region: United States of America (USA)
Acid Number Standard 0.1 mgKOH/g. Reference materials intended for use in the determination of Acid
VHG-AN-0.1-800G Region: United States of America (USA)
Acid Number Standard 2 mgKOH/g. Reference materials intended for use in the determination of Acid Nu
VHG-AN-2-100G Region: United States of America (USA)
Acid Number (AN) Standard: 1.0 mg KOH/g in Hydrocarbon Oil
VHG-AN-1-100G Region: United States of America (USA)
Acid Number Standard 3 mgKOH/g. Reference materials intended for use in the determination of Acid Nu
VHG-AN-3-800G Region: United States of America (USA)
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