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Displaying 451 - 460 of 2373
Medical laboratories — Practical guidance for the estimation of measurement uncertainty
This document provides practical guidance for the estimation and expression of the measurement uncertainty (MU) of quantitative measurand values produced by medical laboratories. Quantitative measurand values produced near the medical decision threshold by point-of-care testing systems are also included in this scope. This document also applies to the estimation of MU for results produced by…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-28
ICS Code(s) :
11.100.01
Rubber, vulcanized or thermoplastic — Determination of tension set under constant elongation, and of...
This document specifies a number of methods of determining the dimensional changes in test pieces of vulcanized or thermoplastic rubber during and after tensile loading for relatively short periods under constant elongation or constant loading. The constant-elongation test is intended to measure the ability of rubbers to retain their elastic properties after extension, at a standard laboratory…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-23
ICS Code(s) :
83.060
Rubber, vulcanized or thermoplastic — Determination of adhesion to a rigid substrate — 90 degree pee...
This document specifies a method for the determination of the adhesive strength of a vulcanized or thermoplastic rubber bonded to a rigid substrate, using a test piece comprising a strip of rubber bonded to a single plate of rigid material. The test is carried out at a peel angle of 90°. The method is applicable primarily to test pieces prepared in the laboratory under standard conditions, such…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-16
ICS Code(s) :
83.060
Determination of pH value — Technical buffer solutions for the calibration of technical measuring in...
This document specifies requirements for technical buffer solutions. These buffer solutions are preferably used for the calibration and adjustment of technical pH measuring equipment as well as pH measuring installations in laboratories. Measuring methods are given to determine pH values and buffer capacities of such buffer solutions based on pH reference buffer solutions in accordance with ISO…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-11
ICS Code(s) :
87.040
Method of evaluating the UV dose to airborne microorganisms transiting in-duct ultraviolet germicida...
This document describes a method in laboratory to assess the performance of ultraviolet germicidal irradiation (UVGI) devices which will be mounted in-duct in heating, ventilating and air-conditioning (HVAC) systems. The method includes the detailed requirements for test rig, microorganisms, procedures, data calculation and result report to determine the UV dose to model microorganisms by an UVGI…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-11
ICS Code(s) :
91.140.30
Plastics — Smoke generation — Determination of the corrosivity of fire effluents — Part 1: General c...
The document defines terms related to smoke corrosivity as well as smoke acidity and smoke toxicity. It presents the scenario-based approach that controls smoke corrosivity. It describes the test methods to assess smoke corrosivity at laboratory scale and deals with test applicability and post-exposure conditions. This document is applicable to tests of determination of smoke corrosivity from…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-11
ICS Code(s) :
13.220.40; 83.080.01
Vibration-generating machines — Guidance for selection — Part 2: Equipment for dynamic structural te...
This document provides guidance to select a vibration generator that will be used to evaluate frequency responses of a test structure or to study how vibration grows/decreases along the structure. These structural dynamics tests can be carried out under field or laboratory conditions (see the ISO 7626 or ISO 10846[4][5][6][7] series). This document describes the selection procedure in terms of…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-11
ICS Code(s) :
17.160
Measurement protocols for photovoltaic devices based on organic, dye-sensitized or perovskite materi...
IEC TR 63228:2019 summarises present perspectives on the performance evaluation of emerging PV technologies, specifically OPV, DSC and PSC devices. These devices present some challenges for accurate measurement under the existing IEC 60904 series of standards, which were developed in the context of silicon wafer solar cells. These challenges can be different for different devices, but in general…
Publisher :
IEC
Status :
Published
Published Date :
2019-07-07
ICS Code(s) :
27.160
Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-1: Test m...
IEC 61482-1-1:2019 specifies test method procedures to determine the arc rating of flame resistant clothing materials and garments or assemblies of garments intended for use in clothing for workers if there is an electric arc hazard. An open arc under controlled laboratory conditions is used to determine the values of ELIM, ATPV or EBT of materials, garments or assemblies of garments. NOTE 1 …
Publisher :
IEC
Status :
Published
Published Date :
2019-07-02
ICS Code(s) :
13.220.40; 29.260.99
Adhesives — Test of adhesive for floor covering — Determination of the electrical resistance of adhe...
This document specifies a test method to measure the electrical resistance as a material physical parameter of an adhesive film and composites of floor covering material and adhesive film. The electrical resistance is reciprocal to the electrical conductivity. This laboratory method does not take account of all influences which can occur in practice. This method applies to the determination of…
Publisher :
ISO
Status :
Published
Published Date :
2019-07-01
ICS Code(s) :
83.180