<遂寧>樂水環保科技有限公司(si)坐落于東村工業園區,公司(si)主要產(chan)品(pin)有遂寧聚丙烯酰胺。公司(si)自(zi)成立之處,即秉承(cheng)"客(ke)戶至上,質量至上,誠信(xin)為(wei)本(ben)”的(de)宗旨,產(chan)品(pin)遍及各地。多(duo)年來,公司(si)積極(ji)倡(chang)導:以(yi)客(ke)戶為(wei)目的(de),以(yi)市(shi)場為(wei)導向,積極(ji)開拓(tuo)市(shi)場。公司(si)憑借(jie)產(chan)品(pin)的(de)質量、良好的(de)信(xin)譽、優良的(de)服務(wu)、合理的(de)價格(ge)獲得(de)了客(ke)戶的(de)信(xin)賴和好評(ping)。實現了公司(si)業務(wu)的(de)長期發展。
三(san)(san)水醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)廠(chang) 3.1感官(guan)要求:應(ying)符合(he)表(biao)(biao)1的(de)(de)(de)(de)(de)(de)(de)(de)規(gui)定(ding)(ding)(ding)。 表(biao)(biao)1感官(guan)要求 項目(mu)要求檢(jian)驗(yan)(yan)(yan)方(fang)法 色澤(ze)結(jie)(jie)(jie)晶(jing)品(pin)(pin):無(wu)色透明或(huo)(huo)白(bai)色取(qu)(qu)適(shi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)試(shi)(shi)(shi)(shi)(shi)(shi)樣(yang),置(zhi)于(yu)(yu)清潔、干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)的(de)(de)(de)(de)(de)(de)(de)(de)白(bai)瓷盤中(zhong)(zhong),在(zai)自 無(wu)水品(pin)(pin):白(bai)色然(ran)(ran)光線下(xia),觀察色澤(ze)和(he)(he)(he)狀態,嗅(xiu)其(qi)味 性(xing)(xing)狀結(jie)(jie)(jie)晶(jing)品(pin)(pin):結(jie)(jie)(jie)晶(jing)或(huo)(huo)結(jie)(jie)(jie)晶(jing)粉末,無(wu)臭(chou)(chou) 無(wu)水品(pin)(pin):結(jie)(jie)(jie)晶(jing)粉末或(huo)(huo)塊(kuai)(kuai)狀,無(wu)臭(chou)(chou) 3.2理(li)化(hua)指(zhi)(zhi)標(biao)(biao)(biao)(biao):應(ying)符合(he)表(biao)(biao)2的(de)(de)(de)(de)(de)(de)(de)(de)規(gui)定(ding)(ding)(ding)。 表(biao)(biao)2理(li)化(hua)指(zhi)(zhi)標(biao)(biao)(biao)(biao) 指(zhi)(zhi)標(biao)(biao)(biao)(biao)項目(mu)檢(jian)驗(yan)(yan)(yan)方(fang)法 結(jie)(jie)(jie)晶(jing)品(pin)(pin)無(wu)水品(pin)(pin) 乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)(C2H3NaO2)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(以(yi)干(gan)(gan)(gan)(gan)(gan)基(ji)(ji)計(ji)),w/%≥98.5附錄A中(zhong)(zhong)A.3 酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)度和(he)(he)(he)堿度通過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)附錄A中(zhong)(zhong)A.4 鉛(Pb)/(mg/Kg)≤2GB5009.12 36.0~42.02.0GB5009.3直接干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)法,120℃, 干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)減量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang),w/%≤ 干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)4h 鉀試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)通過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)附錄A中(zhong)(zhong)A.51 業級醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na),食品(pin)(pin)級醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na),醫(yi)藥級醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)。**供(gong)貨另(ling)加(jia)(jia)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)身定(ding)(ding)(ding)制(zhi)指(zhi)(zhi)標(biao)(biao)(biao)(biao)。**的(de)(de)(de)(de)(de)(de)(de)(de)產(chan)(chan)(chan)品(pin)(pin)、優惠的(de)(de)(de)(de)(de)(de)(de)(de)政策和(he)(he)(he)完善的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)度是(shi)我(wo)們(men)共(gong)(gong)同發展的(de)(de)(de)(de)(de)(de)(de)(de)基(ji)(ji)石(shi),我(wo)們(men)愿與(yu)客(ke)戶(hu)攜手并進(jin)(jin),共(gong)(gong)創未來!真(zhen)(zhen)誠(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)期待您的(de)(de)(de)(de)(de)(de)(de)(de)來電(dian),共(gong)(gong)商大計(ji)! GB30603—2014 食品(pin)(pin) 標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun) 食品(pin)(pin)添(tian)加(jia)(jia)劑(ji)(ji)(ji)(ji)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na) 1范圍 本標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)適(shi)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)由乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)和(he)(he)(he)氫氧化(hua)鈉(na)(na)(或(huo)(huo)碳酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na))為(wei)(wei)原料(liao)制(zhi)得(de)的(de)(de)(de)(de)(de)(de)(de)(de)食品(pin)(pin)添(tian)加(jia)(jia)劑(ji)(ji)(ji)(ji)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)。 1范圍 本標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)適(shi)用(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)由乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)和(he)(he)(he)氫氧化(hua)鈉(na)(na)(或(huo)(huo)碳酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na))為(wei)(wei)原料(liao)制(zhi)得(de)的(de)(de)(de)(de)(de)(de)(de)(de)食品(pin)(pin)添(tian)加(jia)(jia)劑(ji)(ji)(ji)(ji)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)。2分(fen)子(zi)式(shi)、結(jie)(jie)(jie)構式(shi)和(he)(he)(he)相對(dui)分(fen)子(zi)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang) 2.1分(fen)子(zi)式(shi) C2H3NaO2·nH2O(n=3或(huo)(huo)0) 2.2結(jie)(jie)(jie)構式(shi) CH3COONa·nH2O(n=3或(huo)(huo)0) 2.3相對(dui)分(fen)子(zi)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang) 136.08(結(jie)(jie)(jie)晶(jing)品(pin)(pin)) 82.03(無(wu)水品(pin)(pin)) 一、化(hua)學名:醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na);乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na) 二、分(fen)子(zi)式(shi):C2H3NaO2,C2H3NaO2·3H2O 三(san)(san)、分(fen)子(zi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang):無(wu)水物(wu)(wu):82.03;三(san)(san)水物(wu)(wu):136.08 四、CAS:無(wu)水物(wu)(wu):6131-90-4;三(san)(san)水物(wu)(wu):127-09-4 五、性(xing)(xing)能:白(bai)色結(jie)(jie)(jie)晶(jing)性(xing)(xing)粗粉或(huo)(huo)塊(kuai)(kuai)狀,無(wu)臭(chou)(chou),略有(you)苦(ku)味,性(xing)(xing)對(dui)密(mi)度1.582,熔(rong)點(dian)324℃,吸(xi)濕性(xing)(xing)很強,易溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)于(yu)(yu)水。 六、用(yong)(yong)(yong)(yong)(yong)(yong)途(tu):緩沖劑(ji)(ji)(ji)(ji)、調味劑(ji)(ji)(ji)(ji)等。 七、包裝(zhuang):內(nei)襯聚乙(yi)(yi)(yi)(yi)(yi)烯塑料(liao)袋,外套塑料(liao)編織袋,每(mei)袋凈重(zhong)25公斤。 八(ba)、貯存(cun)與(yu)運(yun)輸:應(ying)貯在(zai)干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao),通風(feng)清潔的(de)(de)(de)(de)(de)(de)(de)(de)庫房中(zhong)(zhong),輕裝(zhuang)輕放,防止(zhi)受(shou)(shou)潮、受(shou)(shou)熱(re),運(yun)輸過(guo)程中(zhong)(zhong)防止(zhi)雨淋受(shou)(shou)潮,應(ying)與(yu)有(you)毒物(wu)(wu)品(pin)(pin)隔離堆(dui)放。 質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)指(zhi)(zhi)標(biao)(biao)(biao)(biao)SpecificationFCC1996 含(han)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(以(yi)干(gan)(gan)(gan)(gan)(gan)基(ji)(ji)計(ji))%Content(DryBasis)99.0~101.0 堿度≤%Alkalinity(AsNaOH)0.2(Anhydrous) Alkalinity(AsNaCO3)0.05(Trihydrate) 重(zhong)金屬(以(yi)Pb計(ji))≤%HeavyMetals(Pb)0.001 干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)失重(zhong)%LossonDrying1.0(Anhydrous) 36.0~41.0(Trihydrate) 鉀化(hua)合(he)物(wu)(wu)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)PotassiumCompoundTestNegative 九(jiu)、有(you)效期:18個月 您還在(zai)信(xin)(xin)息的(de)(de)(de)(de)(de)(de)(de)(de)海洋中(zhong)(zhong)甄別生產(chan)(chan)(chan)廠(chang)家(jia)嗎?真(zhen)(zhen)實的(de)(de)(de)(de)(de)(de)(de)(de)生產(chan)(chan)(chan)廠(chang)家(jia),竭誠(cheng)做您**的(de)(de)(de)(de)(de)(de)(de)(de)供(gong)應(ying)資源! 希(xi)望(wang)您每(mei)一次都能有(you)效而(er)又快(kuai)捷的(de)(de)(de)(de)(de)(de)(de)(de)從海量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)數據中(zhong)(zhong)獲取(qu)(qu)所需的(de)(de)(de)(de)(de)(de)(de)(de)信(xin)(xin)息。 **醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na) 檢(jian)驗(yan)(yan)(yan)方(fang)法 A.1一般規(gui)定(ding)(ding)(ding) 除非另(ling)有(you)說明,在(zai)分(fen)析中(zhong)(zhong)僅使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)確認為(wei)(wei)分(fen)析純的(de)(de)(de)(de)(de)(de)(de)(de)試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)和(he)(he)(he)GB/T6682中(zhong)(zhong)規(gui)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)三(san)(san)級水。 試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)方(fang)法中(zhong)(zhong)所用(yong)(yong)(yong)(yong)(yong)(yong)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)、雜(za)質(zhi)測(ce)(ce)定(ding)(ding)(ding)用(yong)(yong)(yong)(yong)(yong)(yong)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)、制(zhi)劑(ji)(ji)(ji)(ji)及制(zhi)品(pin)(pin),在(zai)沒有(you)注(zhu)明其(qi)他(ta)要求時(shi),均按 GB/T601、GB/T602和(he)(he)(he)GB/T603之規(gui)定(ding)(ding)(ding)制(zhi)備(bei)。所用(yong)(yong)(yong)(yong)(yong)(yong)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)在(zai)未注(zhu)明用(yong)(yong)(yong)(yong)(yong)(yong)何種(zhong)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)劑(ji)(ji)(ji)(ji)配(pei)制(zhi)時(shi),均指(zhi)(zhi)水溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)。 A.2鑒別試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan) A.2.1試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)和(he)(he)(he)材(cai)料(liao) A.2.1.1硫酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)。 A.2.1.2乙(yi)(yi)(yi)(yi)(yi)醇(chun)。 A.2.1.3鹽酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye):1+1。A.2.1.4乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)氧鈾鋅(xin)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye): 稱取(qu)(qu)10g乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)雙氧鈾,加(jia)(jia)5mL冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)和(he)(he)(he)50mL水,微(wei)(wei)熱(re)使(shi)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)解;稱取(qu)(qu)30g乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鋅(xin),加(jia)(jia)3mL冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)和(he)(he)(he)30mL 水,微(wei)(wei)熱(re)使(shi)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)解;將兩溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)混合(he),放冷(leng),過(guo)濾,即(ji)得(de)。 A.2.1.5氯(lv)化(hua)鐵溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye):90g/L。 A.2.2pH試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan) 稱取(qu)(qu)1g樣(yang)品(pin)(pin),**至0.01g,用(yong)(yong)(yong)(yong)(yong)(yong)適(shi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)水溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)解并稀(xi)釋至100mL,測(ce)(ce)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)的(de)(de)(de)(de)(de)(de)(de)(de)pH應(ying)為(wei)(wei)8.0~9.5。 產(chan)(chan)(chan)品(pin)(pin)指(zhi)(zhi)標(biao)(biao)(biao)(biao)、目(mu)數方(fang)面是(shi)在(zai) 行業標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)的(de)(de)(de)(de)(de)(de)(de)(de)基(ji)(ji)礎上,我(wo)司和(he)(he)(he)多家(jia)下(xia)游大客(ke)戶(hu)多次交(jiao)流修改較終(zhong)敲打的(de)(de)(de)(de)(de)(de)(de)(de),是(shi)經過(guo)市場驗(yan)(yan)(yan)證的(de)(de)(de)(de)(de)(de)(de)(de)較佳(jia)產(chan)(chan)(chan)品(pin)(pin)。應(ying)該說產(chan)(chan)(chan)品(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)(de)指(zhi)(zhi)標(biao)(biao)(biao)(biao),對(dui)我(wo)們(men)產(chan)(chan)(chan)品(pin)(pin)非常有(you)信(xin)(xin)心(xin),當(dang)然(ran)(ran)進(jin)(jin)步(bu)(bu)是(shi)無(wu)限的(de)(de)(de)(de)(de)(de)(de)(de),希(xi)望(wang)得(de)到大家(jia)的(de)(de)(de)(de)(de)(de)(de)(de)反饋后(hou),根據客(ke)戶(hu)要求,再精(jing)進(jin)(jin)修改。 A.3乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)定(ding)(ding)(ding) A.3.1試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)和(he)(he)(he)材(cai)料(liao) A.3.1.1冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)。 A.3.1.2高(gao)氯(lv)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye):c(HClO4)=0.1mol/L。A.3.1.3結(jie)(jie)(jie)晶(jing)紫(zi)指(zhi)(zhi)示(shi)(shi)液(ye)(ye)(ye)(ye)(ye)(ye):2g/L。A.3.2分(fen)析步(bu)(bu)驟 稱取(qu)(qu)0.2g干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)后(hou)的(de)(de)(de)(de)(de)(de)(de)(de)樣(yang)品(pin)(pin),**至0.0001g,加(jia)(jia)40mL冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)解,用(yong)(yong)(yong)(yong)(yong)(yong)高(gao)氯(lv)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)。用(yong)(yong)(yong)(yong)(yong)(yong)電(dian) 位計(ji)指(zhi)(zhi)示(shi)(shi)終(zhong)點(dian)。當(dang)用(yong)(yong)(yong)(yong)(yong)(yong)指(zhi)(zhi)示(shi)(shi)劑(ji)(ji)(ji)(ji)判斷終(zhong)點(dian)時(shi),加(jia)(jia)幾滴(di)(di)(di)(di)(di)結(jie)(jie)(jie)晶(jing)紫(zi)指(zhi)(zhi)示(shi)(shi)液(ye)(ye)(ye)(ye)(ye)(ye),溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)由紫(zi)色變為(wei)(wei)亮藍(lan)綠(lv)色即(ji)為(wei)(wei)終(zhong)點(dian)。2 ×100 ×1000 (-)××=10mvvcMw GB30603—2014 在(zai)測(ce)(ce)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)同時(shi)按與(yu)測(ce)(ce)定(ding)(ding)(ding)相同的(de)(de)(de)(de)(de)(de)(de)(de)步(bu)(bu)驟,對(dui)不加(jia)(jia)樣(yang)品(pin)(pin)而(er)使(shi)用(yong)(yong)(yong)(yong)(yong)(yong)相同數量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)做空白(bai)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)。 鉀試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan) A.5.1試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)和(he)(he)(he)材(cai)料(liao) 酒(jiu)石(shi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)氫鈉(na)(na)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye),10g/L:取(qu)(qu)酒(jiu)石(shi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)氫鈉(na)(na)(NaHC4H4O·H2O)1g,溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)于(yu)(yu)100mL水,此溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)用(yong)(yong)(yong)(yong)(yong)(yong)時(shi)現配(pei)。 A.5.2分(fen)析步(bu)(bu)驟 取(qu)(qu)適(shi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)樣(yang)品(pin)(pin),制(zhi)成(cheng)10g/L的(de)(de)(de)(de)(de)(de)(de)(de)樣(yang)品(pin)(pin)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye),在(zai)澄清的(de)(de)(de)(de)(de)(de)(de)(de)樣(yang)品(pin)(pin)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)中(zhong)(zhong),緩慢滴(di)(di)(di)(di)(di)加(jia)(jia)幾滴(di)(di)(di)(di)(di)酒(jiu)石(shi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)氫鈉(na)(na)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye),在(zai)5min 內(nei)不產(chan)(chan)(chan)生渾濁即(ji)為(wei)(wei)通過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)。 問:醋(cu)(cu)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)的(de)(de)(de)(de)(de)(de)(de)(de)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)測(ce)(ce)方(fang)法是(shi)什么? 答:乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)(na)含(han)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)定(ding)(ding)(ding) A.3.1試(shi)(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)和(he)(he)(he)材(cai)料(liao) A.3.1.1冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)。 A.3.1.2高(gao)氯(lv)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye):c(HClO4)=0.1mol/L。A.3.1.3結(jie)(jie)(jie)晶(jing)紫(zi)指(zhi)(zhi)示(shi)(shi)液(ye)(ye)(ye)(ye)(ye)(ye):2g/L。A.3.2分(fen)析步(bu)(bu)驟 稱取(qu)(qu)0.2g干(gan)(gan)(gan)(gan)(gan)燥(zao)(zao)后(hou)的(de)(de)(de)(de)(de)(de)(de)(de)樣(yang)品(pin)(pin),**至0.0001g,加(jia)(jia)40mL冰(bing)乙(yi)(yi)(yi)(yi)(yi)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)解,用(yong)(yong)(yong)(yong)(yong)(yong)高(gao)氯(lv)酸(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)(suan)標(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)滴(di)(di)(di)(di)(di)定(ding)(ding)(ding)。用(yong)(yong)(yong)(yong)(yong)(yong)電(dian) 位計(ji)指(zhi)(zhi)示(shi)(shi)終(zhong)點(dian)。當(dang)用(yong)(yong)(yong)(yong)(yong)(yong)指(zhi)(zhi)示(shi)(shi)劑(ji)(ji)(ji)(ji)判斷終(zhong)點(dian)時(shi),加(jia)(jia)幾滴(di)(di)(di)(di)(di)結(jie)(jie)(jie)晶(jing)紫(zi)指(zhi)(zhi)示(shi)(shi)液(ye)(ye)(ye)(ye)(ye)(ye),溶(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)(ye)由紫(zi)色變為(wei)(wei)亮藍(lan)綠(lv)色即(ji)為(wei)(wei)終(zhong)點(dian)。-/gjeaah/-