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style="word-break: break-all;">磷酸一氫鈉</td></tr><tr><th>CAS號：</th><td>7558-79-4</td></tr><tr><th>分子量/含量：</th><td>142</td></tr><tr><th style="word-break: break-all;">應用：</th><td style="word-break: break-all;">軟水劑；食品添加劑</td></tr><tr><th>規格/其它：</th><td style="word-break: break-all;">白色粒狀的粉末</td></tr></tbody></table><p><br/></p><p>制備方法 </p><p>噴霧干燥法：將十二水磷酸氫二鈉加入溶解槽中加熱溶解，添加少量工業磷酸，調節pH至8.8-9.0，溶液溫度80-85℃，用泵送至計量槽，經噴霧器霧化，霧化器選用二流式汽動噴頭，蒸汽壓力0.15-0.3 MPa，霧化器汽流導角與水平成30°，汽液比 (0.4～5)：1。熱爐氣進口溫度650-750℃?？刹⒘鞲稍?，也可逆流干燥。如逆流干燥，進口溫度620-650℃，出口溫度140～150℃。成品粒度90μm左右占60%，水分含量<1%。制得無水磷酸氫二鈉成品。</p><p>用途 </p><p>磷酸氫二鈉可以用來制作檸檬酸、軟水劑、織物增重劑、防火劑，并用于釉藥、焊藥、醫藥、顏料、食品工業及制取其他磷酸鹽用作工業水質處理劑、印染洗滌劑、品質改良劑、中和劑、抗生素培養劑、生化處理劑食品品質改良劑。 [2] </p><p>注意事項 </p><p>避免與皮膚和眼睛接觸。刺激眼睛、呼吸系統和皮膚。</p><p><br/></p> <div class="advantage_show"> <img src="http://app98.img.mei-shu.net/s/www.135885.com/uploads/images/20210906/fbcae710de5557ae1f863edd1a78b572.jpg"/> <img 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