事(shi)實(shi)上，工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)一(yi)(yi)般指(zhi)氯(lv)(lv)化鈉(na)(na)(na)(na)(na)，偶(ou)爾指(zhi)亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)，但(dan)(dan)教科(ke)書上說(shuo)工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)是(shi)(shi)(shi)(shi)亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)，這(zhe)(zhe)是(shi)(shi)(shi)(shi)一(yi)(yi)個(ge)很大(da)的(de)(de)誤解。事(shi)實(shi)上，從事(shi)工(gong)(gong)(gong)業(ye)(ye)(ye)的(de)(de)人(ren)都知道亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)比氯(lv)(lv)化鈉(na)(na)(na)(na)(na)貴。多虧了死亡，沒有(you)(you)(you)(you)(you)(you)(you)人(ren)會(hui)故意使(shi)用(yong)(yong)亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)來(lai)制作假食(shi)(shi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)。亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)被稱(cheng)為工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)，因(yin)為它(ta)看起(qi)來(lai)像氯(lv)(lv)化鈉(na)(na)(na)(na)(na)。起(qi)初，工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)僅指(zhi)氯(lv)(lv)化鈉(na)(na)(na)(na)(na)，但(dan)(dan)其純(chun)(chun)度(du)(du)低(di)(di)于食(shi)(shi)用(yong)(yong)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)。工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)有(you)(you)(you)(you)(you)(you)(you)很多用(yong)(yong)途（隨便(bian)發布(bu)一(yi)(yi)個(ge)索引不(bu)(bu)是(shi)(shi)(shi)(shi)廣告，只是(shi)(shi)(shi)(shi)供(gong)讀者參(can)考。工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)用(yong)(yong)于鍋(guo)爐軟(ruan)化水）。用(yong)(yong)于鍋(guo)爐軟(ruan)化的(de)(de)工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)非常常見。我從制造商那(nei)里了解到，它(ta)實(shi)際上是(shi)(shi)(shi)(shi)由海鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)直接制成的(de)(de)。它(ta)含(han)(han)有(you)(you)(you)(you)(you)(you)(you)鐵(tie)離子，呈淡黃色（有(you)(you)(you)(you)(you)(you)(you)些(xie)是(shi)(shi)(shi)(shi)粉紅色）。理論(lun)(lun)上，它(ta)不(bu)(bu)含(han)(han)亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)，但(dan)(dan)含(han)(han)有(you)(you)(you)(you)(you)(you)(you)一(yi)(yi)些(xie)氯(lv)(lv)化鈣(gai)、氯(lv)(lv)化鎂和氯(lv)(lv)化鉀。由于吸(xi)濕性，它(ta)通常呈現大(da)塊，其中大(da)部分(fen)與(yu)玉米(mi)粒一(yi)(yi)樣大(da)。如果(guo)純(chun)(chun)度(du)(du)更高(gao)，它(ta)只有(you)(you)(you)(you)(you)(you)(you)小(xiao)米(mi)那(nei)么大(da)。用(yong)(yong)于食(shi)(shi)品的(de)(de)工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)很大(da)的(de)(de)危(wei)害不(bu)(bu)是(shi)(shi)(shi)(shi)亞硝(xiao)(xiao)酸(suan)(suan)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)的(de)(de)危(wei)害，因(yin)為正如剛才所(suo)說(shuo)，理論(lun)(lun)上，它(ta)不(bu)(bu)含(han)(han)亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)。據(ju)我所(suo)知，事(shi)實(shi)上，沒有(you)(you)(you)(you)(you)(you)(you)海水可(ke)能(neng)會(hui)暴露亞硝(xiao)(xiao)酸(suan)(suan)鈉(na)(na)(na)(na)(na)。然(ran)而(er)，由于缺乏精煉，工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)可(ke)能(neng)含(han)(han)有(you)(you)(you)(you)(you)(you)(you)一(yi)(yi)些(xie)重金屬和穩定且易結晶的(de)(de)有(you)(you)(you)(you)(you)(you)(you)機物(wu)，但(dan)(dan)可(ke)能(neng)性也(ye)很小(xiao)。很大(da)的(de)(de)問(wen)題是(shi)(shi)(shi)(shi)，工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)（在古代是(shi)(shi)(shi)(shi)私鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)）進入市(shi)(shi)場(chang)將(jiang)對市(shi)(shi)場(chang)產生(sheng)影(ying)響。我國幅員遼(liao)闊，食(shi)(shi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)資源(yuan)分(fen)布(bu)不(bu)(bu)均，如果(guo)不(bu)(bu)實(shi)行食(shi)(shi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)壟(long)斷，依靠市(shi)(shi)場(chang)，奸商很容易操(cao)縱(zong)市(shi)(shi)場(chang)，擾(rao)亂市(shi)(shi)場(chang)。今年，中國正式停止(zhi)了2000多年的(de)(de)食(shi)(shi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)壟(long)斷制度(du)(du)，但(dan)(dan)它(ta)并沒有(you)(you)(you)(you)(you)(you)(you)完全市(shi)(shi)場(chang)化。縱(zong)觀所(suo)有(you)(you)(you)(you)(you)(you)(you)主(zhu)要國家，事(shi)實(shi)上，所(suo)有(you)(you)(you)(you)(you)(you)(you)食(shi)(shi)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)都沒有(you)(you)(you)(you)(you)(you)(you)上市(shi)(shi)，這(zhe)(zhe)是(shi)(shi)(shi)(shi)打擊(ji)假鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)的(de)(de)核(he)心原(yuan)因(yin)。另一(yi)(yi)個(ge)輔(fu)助因(yin)素是(shi)(shi)(shi)(shi)碘(dian)(dian)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)。工(gong)(gong)(gong)業(ye)(ye)(ye)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)和假鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)的(de)(de)生(sheng)產和銷(xiao)售(shou)不(bu)(bu)加碘(dian)(dian)。然(ran)而(er)，這(zhe)(zhe)個(ge)問(wen)題現在非常有(you)(you)(you)(you)(you)(you)(you)爭(zheng)議。低(di)(di)碘(dian)(dian)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)和非碘(dian)(dian)鹽(yan)(yan)(yan)(yan)(yan)(yan)(yan)(yan)正在慢慢成為主(zhu)流。