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Overview ISO 6655:1997 specifies an analytical method for determining the soluble nitrogen content of animal feeding stuffs after treatment with pepsin in dilute hydrochloric acid. The procedure meas…
Overview ISO 665:2020, "Oilseeds - Determination of moisture and volatile matter content," specifies a standardized laboratory method for measuring the moisture and volatile matter content of oilseed…
Overview ISO 6650:2023 specifies a validated analytical method for the simultaneous determination of N-(n‑butyl) thiophosphoric triamide (NBPT) and dicyandiamide (DCD) in fertilizers using high‑perfo…
Overview ISO 6656:2002 specifies the internationally recognized reference method for the determination of polyethylene-type polymers in animal and vegetable fats and oils. Polyethylene-type polymers,…
Overview ISO 6654:1991 specifies a spectrometric method for the determination of urea content in animal feeding stuffs. The standard defines the urea content, references sample preparation according…
Overview ISO 6659:1981 is an international standard providing comprehensive guidance on the refrigerated storage and transport of sweet peppers (Capsicum annum L.) intended for direct consumption. Pu…
Overview ISO 6658:2017 - Sensory analysis - Methodology - General guidance provides a concise, authoritative introduction to the methodology of sensory analysis for foods and other products. It offer…
1 Scope This document specifies the analytical method for the simultaneous determination of N-(n-butyl) thiophosphoric triamide ( NBPT ) and dicyandiamide ( DCD ) in fertilizers by high-performance l…
1 Scope This International Standard specifies the reference method for the determination of polyethylene-type polymers in animal and vegetable fats and oils. It has been established that below 50 mg…