巯基含量测定原理检测标准

Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay

Standard Test Method for Mercaptobenzothiazole Sulfenamide Assay by Reduction/Titration

Rubber and rubber products — Determination of 2-mercaptobenzothiazole content by high performance liquid chromatography (HPLC)

Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content-Cereals, pulses and milled cereal products

Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content-Oilseeds and animal feeding stuffs

Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle

Food products — Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 2: Cereals, pulses and milled cereal products

Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content — Part 1: Oilseeds and animal feeding stuffs

Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle. (ISO 14891:2002)

Testing of mineral oils and fuels - Determination of sulfur content (total sulfur) - Part 1: General working principles

Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content-Cereals, pulses and milled cereal products

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO 16634-2:2016)

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 1: Oilseeds and animal feeding stuffs (ISO 16634-1:2008)

Standard Test Methods for Oil Content, Oil-Impregnation Efficiency, and Surface-Connected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle

Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002)

EN ISO 16634. Cereals, pulses, milled cereal products, oilseeds, oilseed residues and animal feeding stuffs. Determination of total nitrogen and crude protein contents by combustion according to the Dumas principle

Paints and varnishes — Determination of the percentage volume of non-volatile matter — Part 2: Method using the determination of non-volatile-matter content in accordance with ISO 3251 and determination of dry film density on coated test panels by the Archimedes' principle