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BS EN 303-6:2019 pdf free

BS EN 303-6:2019 pdf free.Heating boilers. 6.2.2 Instantaneous type 6.2.2.1 Maximum temperature of the domestic hot waterThe boiler is operated at the nominal domestic hot water heat input with a domestic water supply pressure of 2 bar.Starting with this 2 bar supply pressure, the pressure is progressively reduced until the burner is extinguished. The water outlet temperature is measured continuously...

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BS EN 17265:2019 pdf free

BS EN 17265:2019 pdf free.Foodstuffs - Determination of elements and their chemical species - Determination of aluminium by inductively coupled plasma optical emission spectometry (ICP-OES). If precipitations or turbidities are visible in the digestion solutions, low findings can occur. In these cases, use smaller test portions and higher digestion temperatures up to 300 °C in order to minimize or avoid...

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BS EN 17246:2019 pdf free

BS EN 17246:2019 pdf free.Fertilizers - Determination of perchlorate in mineral fertilizers by ion chromatography and conductivity detection (IC-CD). 8.2 Preparation of the test solutions and sample analysis With the analytical balance (6.3), weigh (25 ± 0,1) g of ground sample. Transfer the test portion to a 250 ml volumetric flask and add 150 ml of water (5.1) to dissolve...

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BS 8486-5:2019 pdf free

BS 8486-5:2019 pdf free.Examination and test of new lifts before putting into service - Specification for means of determining compliance with BS EN 81. The following documents are referred to in the text in such a way that some or all of their content constitutes provisions of this document. For dated references, only the edition cited applies. For undated references,...

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BS EN 12390-3:2019 pdf free

BS EN 12390-3:2019 pdf free.Testing hardened concrete. The load bearing surfaces of the specimen shall be moulded in the case of cube specimens or ground or capped in accordance with Annex A in the case of cylinder, core or adjusted specimens. After removal of the specimen from curing, the specimens shall be tested for strength as soon as practicable, but...

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BS EN 12390-2:2019 pdf free

BS EN 12390-2:2019 pdf free.Testing hardened concrete. 6.2.2.2 Compacting with vibrating table Apply the vibration for the minimum duration necessary to achieve full compaction of the concrete. The mould should preferably be attached to, or firmly held against the table. Avoid over-vibration, which may cause loss of entrained air. 6.2.3 Compacting by hand with compacting rod or bar Distribute the...

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BS EN 3378:2019 pdf free

BS EN 3378:2019 pdf free.Aerospace series - Titanium TI-P99002 - Annealed - Wires for rivets- 1,6 mm≤D≤10 mm. 1 Scope This document specifies the requirements relating to: Titanium TI-P99002 Annealed Wires for rivets 1,6 mm≤D≤10 mm for aerospace applications. 2 Normative references The following documents are referred to in the text in such a way that some or all of...

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BS ISO 20064:2019 pdf free

BS ISO 20064:2019 pdf free.Metallic materials - Steel - Method of test for the determination of brittle crack arrest toughness, Kca. The force applied to an integrated test piece by the test machine shall be via a clevis pin type loading method as shown in Figure 1. Centres of the loading pins at both ends shall align with the neutral...

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BS ISO 4241:2019 pdf free

BS ISO 4241:2019 pdf free.Cinematography一Projection film leader (time-based), trailer and cue marks - Specifications. Orientation and dimensions of letters and numerals in this document are with respect to 35 mm motion-picture films and are modified proportionally in accordance with ISO 4238 for 70 mm and 16 mm prints. .Information appearing in the leader which is printed lengthwise (in the direction...

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BS EN 50341-2-15:2019 pdf free

BS EN 50341-2-15:2019 pdf free.Overhead electrical lines exceeding AC 1 kV. The occurrence of vortex shedding on poles shall be considered, independent on the shape of the cross section, according the method defined in Annex E of NEN-EN 1991-1-4+A1+C2:201 1/NB:2011. The effect of vortex shedding on the design life of the poles shall be determined. In case vortex shedding results...

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