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ISO 975:2021 pdf download - Brown coals and lignites — Determination of yield of benzene-soluble extract — Semi-automatic method. 8.3 Procedure Transfer a mass of about 2 g (determined to the nearest 0,1 mg) of general analysis...

ISO 939:2021 pdf download - Spices and condiments — Determination of moisture content. 6 Apparatus Distillation apparatus (a suitable form of apparatus is described in Annex A and shown in Figure A.1), comprising the following components fitted...

ISO 771:2021 pdf download - Oilseed meals — Determination of moisture and volatile matter content. 6 Sample 6.1 Sampling Sampling is not part of the method specified in this document. A recommended sampling method is given in...

ISO 748:2021 pdf download - Hydrometry — Measurement of liquid flow in open channels — Velocity area methods using point velocity measurements 5.2 Demarcation of site 5.2.1 A permanent station, or one likely to be used frequently...

ISO 728:2021 pdf download - Coke — Size analysis by sieving. 7.2 Division of coke minus 22,4 mm Divide the sample (minus 22,4 mm fraction from 7.1 e) to the required minimum mass in Table 1 by...

ISO 556:2020 pdf download - Coke (greater than 20 mm in size) — Determination of mechanical strength. The drum shall have an opening on the cylindrical surface through which the coke is charged and discharged. The opening...

ISO 506:2020 pdf download - Rubber latex, natural, concentrate — Determination of volatile fatty acid number. 2 Normative references The following documents are referred to in the text in such a way that some or all of...