ISO 9455:2022
ISO 9455:2022 Soft soldering fluxes – Test methods – Part 6: Determination and detection of halide (excluding fluoride) content
CDN $193.00
Description
This document specifies three quantitative methods for the determination of the ionic halide (excluding fluoride) content of soldering fluxes. Halides are calculated as chlorides. A useful qualitative 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 considered the reference method for these fluxes, is suitable for halide contents generally within the range of 0,05¬†% mass fraction¬†to 2¬†%¬†mass fraction 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. It is applicable to flux classes¬†2122 to 2124, 3112 to 3114 and 3212 to 3214, 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 phosphates and is applicable to flux class¬†331, as defined in ISO¬†9454–1.
Method D is a qualitative test, using silver chromate test paper, for the presence of ionic halides. The technique can be used for all classes of flux.
Edition
2
Published Date
2022-12-14
Status
PUBLISHED
Pages
15
Language
English
Format
Secure PDF
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Abstract
This document specifies three quantitative methods for the determination of the ionic halide (excluding fluoride) content of soldering fluxes. Halides are calculated as chlorides. A useful qualitative 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 considered the reference method for these fluxes, is suitable for halide contents generally within the range of 0,05 % mass fraction to 2 % mass fraction 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. It is applicable to flux classes 2122 to 2124, 3112 to 3114 and 3212 to 3214, 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 phosphates and is applicable to flux class 331, as defined in ISO 9454-1.
Method D is a qualitative test, using silver chromate test paper, for the presence of ionic halides. The technique can be used for all classes of flux.
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