Lovibond Liquid Reference Standard Platinum Cobalt Colour 15 (500ml)500ml Bottle certified under ISO 9001 quality system with a 12 month shelf life. Full traceability to internationally recognised standards Each bottle supplied with full certification including MSDS Reference liquid standards are assigned a nominal value and Lovibond Tintometer always endeavours to match this value as closely as possible. On occasion, it may not be possible to match the requested value exactly. The value achieved and the expected