Methods for the sampling and analysis of tin and tin alloys - Method for the determination of nickel in capping metal (photometric method)What is BS 3338 20 Tin and tin alloys about? BS 3338 20 standard is a part of the BS 3338 series that discusses the determination of nickel in capping metal using the photometric method for the sampling and analysis of tin and tin alloys. Tin is alloyed with lead to produce solders with melting points lower than those of either tin or lead. Small amounts of various metals, notably antimony and silver, are added to tin lead solders to increase their

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ISO 23500‑2

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