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    ["content"] => string(2132) "<p>　　聚合氯化铝（PAC）是一种无机物，一种新兴净水材料、无机高分子混凝剂，简称聚铝。它是介于AlCI3和Al(OH)3之间的一种水溶性无机高分子聚合物，化学通式为[Al2(OH)nCl6-n]m，其中m代表聚合程度，n表示PAC产品的中性程度。n=1~5为具有Keggin结构的高电荷聚合环链体，对水中胶体和颗粒物具有高度电中和及桥联作用，并可强力去除微有毒物及重金属离子，性状稳定。检验方法可按国际GB 15892--2003标准检验。由于氢氧根离子的架桥作用和多价阴离子的聚合作用，生产出来的聚合氯化铝是相对分子质量较大、电荷较高的无机高分子水处理药剂。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873482586736.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483710489.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483603199.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483725052.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483919385.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483576765.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483771726.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873483449578.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627873484306619.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288661160.jpg"/><br/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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    ["title"] => string(39) "饮用水级聚合氯化铝（固态）"
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    ["title"] => string(15) "食品级磷酸"
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    ["content"] => string(1598) "<p>　　磷酸或正磷酸，是一种常见的无机酸，是中强酸，化学式为H3PO4，分子量为97.994。不易挥发，不易分解，几乎没有氧化性。具有酸的通性，是三元弱酸，其酸性比盐酸、硫酸、硝酸弱，但比醋酸、硼酸等强。由五氧化二磷溶于热水中即可得到。正磷酸工业上用硫酸处理磷灰石即得。磷酸在空气中容易潮解。加热会失水得到焦磷酸，再进一步失水得到偏磷酸。磷酸主要用于制药、食品、肥料等工业，包括作为防锈剂，食品添加剂，牙科和矫形外科，EDIC腐蚀剂，电解质，助焊剂，分散剂，工业腐蚀剂，肥料的原料和组件家居清洁产品。也可用作化学试剂，磷酸盐是所有生命形式的营养。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226613624.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226259901.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226636026.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288661160.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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    ["title"] => string(12) "次氯酸钠"
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    ["content"] => string(2173) "<p>　　次氯酸钠是一种无机物，化学式为NaClO，是一种次氯酸盐，是普通的家庭洗涤中的“氯”漂白剂。</p><p>　　氯气溶于冷而且稀的氢氧化钠溶液产生次氯酸钠、氯化钠及水：</p><p>　　<span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; text-indent: 28px; background-color: rgb(255, 255, 255);">Cl₂+ 2NaOH= NaClO + NaCl + H₂O</span></p><p>　　注意氯气溶于热（一般认为是60℃左右）而且浓的氢氧化钠溶液不会产生次氯酸钠，而会生成氯化钠，氯酸钠及水：</p><p>　　<span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; text-indent: 28px; background-color: rgb(255, 255, 255);">3Cl₂ + 6NaOH= 5NaCl + NaClO₃ +3H₂O</span></p><p>　　一般来说，如果氢氧化钠的溶液温度比较高但是还未达到60摄氏度时，发生的总反应方程式会是上述两个方程式不定比加和的结果，温度越高，第二个方程式占比越大，反之同理。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047358045.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047890398.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047534939.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047467541.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047952141.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047266443.jpg" style=""/></p><p style="text-align: center;"><img src="/uploads/editor/20210802/1627869288661160.jpg"/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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    ["title"] => string(12) "次氯酸钠"
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    ["content"] => string(2181) "<p>　　次氯酸钠是一种无机物，化学式为NaClO，是一种次氯酸盐，是普通的家庭洗涤中的“氯”漂白剂。</p><p>　　氯气溶于冷而且稀的氢氧化钠溶液产生次氯酸钠、氯化钠及水：</p><p>　　<span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; text-indent: 28px; background-color: rgb(255, 255, 255);">Cl₂+ 2NaOH= NaClO + NaCl + H₂O</span></p><p>　　注意氯气溶于热（一般认为是60℃左右）而且浓的氢氧化钠溶液不会产生次氯酸钠，而会生成氯化钠，氯酸钠及水：</p><p>　　<span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; text-indent: 28px; background-color: rgb(255, 255, 255);">3Cl₂ + 6NaOH= 5NaCl + NaClO₃ +3H₂O</span></p><p>　　一般来说，如果氢氧化钠的溶液温度比较高但是还未达到60摄氏度时，发生的总反应方程式会是上述两个方程式不定比加和的结果，温度越高，第二个方程式占比越大，反之同理。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047358045.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047890398.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047534939.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047467541.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047952141.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874047266443.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288661160.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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    ["title"] => string(15) "磷酸二氢铝"
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    ["content"] => string(1110) "<p>　　无色无味极粘稠的液体或白色粉末， 易溶于水。用作耐火材料的粘合剂，主要用于电气工业、高温窑炉、热处理电阻炉和电气绝缘。也用于石油、化工、造船及空间技术等方面。还可作为无机涂料与有机涂料配合使用。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226613624.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226259901.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627875226636026.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288661160.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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    ["title"] => string(24) "硫酸钠（元明粉）"
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    ["title"] => string(12) "三氯化铁"
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    ["title"] => string(9) "乙酸钠"
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    ["content"] => string(1168) "<p>　　乙酸钠，又称醋酸钠，是一种有机物，分子式为CH3COONa，分子量为82.03。三水合物乙酸钠性状为白色结晶体，相对密度1.45，熔点为58℃，在干燥空气中风化，在120℃时失去结晶水，温度再高时分解；无水乙酸钠为无色透明结晶体，熔点324℃。易溶于水，可用于作缓冲剂、媒染剂，用于铅铜镍铁的测定，培养基配制，有机合成，影片洗印等。</p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874724348104.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627874724540963.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288661160.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288587311.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288184723.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288737989.jpg" style=""/></p><p style="text-align: center"><img src="/uploads/editor/20210802/1627869288651873.jpg" style=""/></p>"
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