第一百二十节 贝壳的用处
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博铺海产加工厂在蒸汽萦绕中开始了新的一天。
天蒙蒙亮就收来的最新鲜软贝，此刻都已经被小心剥取了肉质，用清水洗涤了数次，分类装在不同的瓷缸里。
“恩，这缸都是牡蛎，百分之十五就行，就是一成五！”
胡仪成盯着徒弟记下数字，别把盐酸浓度记错，然后又写上曰期和种类，再贴在瓷缸盖上，才收回目光。
各种不同的虾蟹贝类，由于甲壳成分不同，不但需要不同浓度的盐酸来溶解，需要的加工时间和收率也不同，所以收购价自然也是大不一样的。
靠墙摆着已经开始酸浸的瓷缸，胡仪成走到那边，看了看牌子，打开其中一个，拿起瓷棒在里面搅了搅。
“嗯，就这样没气泡才对，这缸可以拿去清洗了，多洗几次！”
看着工人粗手粗脚的样子，胡仪成免不了有些火气，海产加工厂工人的素质比制药厂差远了，有乙种文凭在身的只有几个土著管事，但他们要负责本职，这些普通工人都没多少文化，粗心大意，做事不牢靠都是好的，前几天还有工人还因为好奇盐酸是不是又咸又酸去喝的！让他不得不放下制药厂的事，亲自来这边看着。
早班工人大气都不敢出一口，开始用清水一遍一遍清洗，由于没有酚酞和甲基红之类的酸碱指示剂，所以只好多清洗几次来确保中姓，效率低浪费水也顾不上了。
胡仪成又走到室外，那里有两台瓷制的蒸锅，正在对清洗之后的原料进行碱煮，需要用百分之四的氢氧化钠溶液煮沸两次。
然后就是之前最头痛的脱色工艺了，由于没有高锰酸钾和亚硫酸氢钠的稳定供应，所以只好不断试验改进工艺，这也使得项目量产进度拖后了许多。
目前是用百分之四的稀盐酸浸泡，不停歇的搅拌两天，然后阳光下暴晒一天，得到半成品甲壳质。
之后就能送到制药厂去用百分之四十的强碱蒸煮六小时，洗涤脱水干燥后，就能得到了目前急需的产品――脱乙酰甲壳质。
这是一种玻璃状洁白透明的胶体溶液，它不溶于水，也不溶于稀酸稀碱，有很高的粘度，耐晒，耐热，耐腐蚀，不潮解，不风化，不畏虫蛀，防皱防缩。
由于这些姓质，它有广泛的用途，在纺织工业上可以作为定型剂，能生产出挺括水洗不变形的衬衫领子，或者作为染料涂料的高级固色剂。在电力工业上，它可以作为特种电线的保护膜，或者作为绝缘材料。在造纸工业，它又是电容纸，钞票纸，铜板纸等等高级纸张的原料。在食品工业，它可以作为增稠剂，也可以作为高级白糖的澄清剂。
当然在临高，它现在最重要的用途是医用上，虽然现在还缺很多试剂，没办法生产手术缝合线，但用明胶，甘油和脱乙酰甲壳质生产止血敷料却并不困难，无论是北方如火如荼的发动机行动，还是临高遍地的工地，大出血这类外伤都非常普遍，这些止血敷料能拯救很多人的生命。
靠，又废了一缸，胡仪成回到屋里，看着工人一脸慌张的样子，已经没有力气再骂了。
“这缸报废吧。”胡仪成无力的摆了摆手，丢出这句话。
由于缺乏现代化学制剂，检验手段原始，临高生产药用脱乙酰甲壳质，在工艺上都按最严格的标准来执行，比如原材料的新鲜度就制定了极其苛刻的标准，所以不能把甲壳运到百刃城的制药厂再生产，只能在港区的海产加工厂加工成半成品，稍微不符合标准，就只能报废送去制衣厂或者造纸厂做废物利用。
药用需要最新鲜的甲壳材料，冰过的死物暂时不能用，而临高渔业公司在远洋打捞的鲜活甲壳类海产，通常只保留最有经济价值的，用于制药太浪费，当然随着工艺改进，以后不需要这么新鲜的原材料，自然就会调低收购价乃至停止收购。
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