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SOFT SOLDERING FLUXES - TEST METHODS - PART 6: DETERMINATION AND DETECTION OF HALIDE (EXCLUDING FLUORIDE) CONTENT (ISO 9455-6:1995, IDT)
MS ISO 9455-6:2009
Status : Original
Format : PDF

his Malaysian Standard specifies three quantitative methods for the determination of the ionic halide (excluding fluoride) content of soldering fluxes. Halides are calculated as chlorides. A useful qu ....Read more alitative test method for the detection of ionic halides is also described.

Method A is a potentiometric titration method for the determination of halide (excluding fluoride) content and is applicable to flux classes 1 and 2, defined in ISO 9454-1. This method, which is to be considered the reference method for these fluxes, is suitable for halide contents generally within the range 0.05 % (m/m) to 2 % (m/m) in the non-volatile matter of the flux.

Method B is a titration method for the determination of the total halide (excluding fluoride) content of water-soluble fluxes. lt is applicable to flux classes 2.1.2.A and 3.1 .l .A, as defined in ISO 9454-1.

Method C is a titration method for the determination of the halide (excluding fluoride) content of water soluble fluxes containing Ph
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SOFT SOLDERING FLUXES - TEST METHODS - PART 5: COPPER MIRROR TEST (ISO 9455-5:1992, IDT)
MS ISO 9455-5:2009
Status : Original
Format : PDF

This Malaysian Standard specifies a qualitative method for assessing the aggressiveness of a flux towards copper. The test is applicable to all fluxes of type 1 as defined in IS0 9454-1.

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SOFT SOLDERING FLUXES - TEST METHODS - PART 3: DETERMINATION OF ACID VALUE, POTENTIOMETRIC AND VISUAL TITRATION METHODS (ISO 9455-3:1992, IDT)
MS ISO 9455-3:2009
Status : Original
Format : PDF

This Malaysian Standard specifies two methods for the determination of the acid value of a flux. First method is a potentiometric method and is to be considered as the reference method, The second met ....Read more hod is an alternative, visual end-point, titration method.  Close

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SOFT SOLDERING FLUXES - TEST METHODS - PART 1: DETERMINATION OF NON-VOLATILE MATTER, GRAVIMETRIC METHOD (ISO 9455-1:1990, IDT)
MS ISO 9455-1:2009
Status : Original
Format : PDF

This Malaysian Standard specifies a gravimetric method for the determination of the content of non-volatile matter in soft soldering fluxes. It is applicable to liquid and paste fluxes. lt is applicab ....Read more le to liquid and Paste fluxes of type 1, as defined in ISO 9454-1. Close

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PAPER - DETERMINATION OF LIGHT SCATTERING AND ABSORPTION COEFFICIENTS (USING KUBELKA-MUNK THEORY) (ISO 9416:2009, IDT)
MS ISO 9416:2010
Status : Original
Format : PDF

This Malaysian Standard specifies a method for the calculation of light-scattering and light-absorption coefficients based upon diffuse reflectance measurements made under the conditions specified in ....Read more ISO 2469 using the colour matching function y(?) and CIE illuminant C.

It is emphasised that the strict evaluation of the light-scattering and light-absorption coefficients requires conditions which cannot be achieved with the instrumentation specified here. The values obtained by application of this Malaysian Standard are dependent on the application of the Kubelka-Munk equations, not to full reflectance data but to reflectance factor data obtained using the specified d/0° geometry and a gloss trap.

The use of the method is restricted to white and near-white uncoated papers with an opacity less than about 95 %. Paper that has been treated with a fluorescent dyestuff or that exhibits significant fluorescence can only be dealt with if a filter with a cut-off wavelength of 420 nm is used
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TYRE VALVES – DIMENSIONS AND DESIGNATION (ISO 9413:1998, IDT)
MS ISO 9413 : 2002
Status : Original
Format : PDF

This Malaysian Standard defines the essential dimensions and the designation of tube valves and tubeless valves.

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Measurement of liquid flow in closed conduits by the weighing method - procedures for checking installation - Part 1: Static weighing systems (ISO 9368-1:1990, IDT)
MS ISO 9368-1:2006 (CONFIRMED:2012)
Status : Original
Format : PDF

This Malaysian Standard specifies methods of testing installations for flowrate measurement by the static weighing method.

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ANAESTHETIC AND RESPIRATORY EQUIPMENT - HEAT AND MOISTURE EXCHANGERS (HMEs) FOR HUMIDIFYING RESPIRED GASES IN HUMANS - PART 1: HMEs FOR USE WITH MINIMUM TIDAL VOLUMES OF 250 ml (ISO 9360-1:2000, IDT)
MS ISO 9360-1:2008 (CONFIRMED:2022)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard specifies certain requirements for heat and moisture exchangers (HMEs), including those incorporating breathing system filters, intended for the humidification of respired gase ....Read more s for use primarily with patients with a tidal volume equal to or greater than 250 ml, and incorporating at least one machine port, and describes test methods for their evaluation. Close

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ANAESTHETIC AND RESPIRATORY EQUIPMENT - HEAT AND MOISTURE EXCHANGERS (HMEs) FOR HUMIDIFYING RESPIRED GASES IN HUMANS - PART 2: HMEs FOR USE WITH TRACHEOSTOMIZED PATIENTS HAVING MINIMUM TIDAL VOLUMES OF 250 ML (ISO 9360-2:2001, IDT)
MS ISO 9360-2:2008 (CONFIRMED:2022)
Status : 1st Confirmation
Format : PDF

This part of Malaysian Standard specifies certain requirements and test methods for heat and moisture exchangers (HMEs) without machine connector ports, including those incorporating breathing system ....Read more filters. These devices are intended for the humidification of respired gases for tracheostomized patients having a tidal volume of 250 ml or greater. Close

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AIR QUALITY - STRATIFIED SAMPLING METHOD FOR ASSESSMENT OF AMBIENT AIR QUALITY (ISO 9359:1989, IDT)
MS ISO 9359:2009 (CONFIRMED:2023)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard specifies a method for the assessment of certain aspects of ambient air quality in terms of percentiles and means using the principle of stratified sampling.

Th ....Read more is is by estimating percentiles and means of the frequency distribution of measurements of ambient air quality characteristics. The application to the estimation of means, however, is restricted to cases where certain assumptions about the frequency distribution of the ambient air quality characteristic can be made using a priori knowledge or when a sufficient number of statistically independent measurements are available (see IS0 2854 and IS0 2602).

The results may be used to assess ambient air quality during the period of the measurement survey. (For length of period see also IS0 7168.) By using information on the longer-term occurrence of the various strata, an assessment for a longer period can be obtained using the same database.

Thus, although meteorological conditions have a profound effect o
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