在镀锡板食品罐头中,要求锡作为电偶的牺牲部分,在它以缓慢速度腐蚀时给钢基提供保护,许多食品,包括以酸性水果为代表的大量酸性食品就是这种情况,在这个国家(南非)里,这是重要的罐头食品,每年要大量装罐和出口,因此,对酸性水果罐头的腐蚀以不同的题目给予了特殊的注意。 In tinned food cans, tin is required as a sacrificial part of the galvanic couple to provide protection to the steel base as it corrodes at a slow rate. This is the case with many foods, including a large number of acidic foods, represented by acidic fruit, This is an important canned food item in the country (South Africa), with a large number of cans and excretions exported each year. Therefore, special attention is paid to different topics regarding the corrosion of sour cans.