氯化钠AR

商品详情

所属分类：无机试剂

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			<div align="left" valign="top" width="15%"><font color="#000000" size="4"><strong>基本信息</strong></font></div>
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						<div align="left" width="10%"><font color="#000000"><strong>性   状：</strong></font></div>
						<div align="left"><font color="#000000">白色立方结晶或结晶性粉末。25℃时,1g溶于2.8ml水、2.6ml沸水、10ml甘油,极微溶于乙醇。其水中溶解度因盐酸存在而减少,几乎不溶于浓盐酸。水溶液呈中性,pH为6.7～7.3。相对密度 2.17。熔点 804℃。沸点 1413℃。半数致死量(大鼠,经口)3.75±0.43g/kg。</font></div>
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						<div align="left" width="10%"><font color="#000000"><strong>用   途：</strong></font></div>
						<div align="left"><font color="#000000">测定硝酸银的基准。微量测定氟和硅酸盐。用于高纯分 析。血液常规检验。肝功能试验。制备细菌血清学培养基。致冷混合剂。食物保存。照相。</font></div>
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			<div align="left" valign="top" width="15%"><font color="#000000" size="4"><strong>质检信息</strong></font></div>
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						<div width="40%"><font color="#000000"><b>质检项目</b></font></div>
						<div><font color="#000000"><b>指标值</b></font></div>
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						<div><font color="#000000">总氮量(N），% </font></div>
						<div><font color="#000000">≤0.001 </font></div>
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						<div><font color="#000000">硫酸盐(SO4)，% </font></div>
						<div><font color="#000000">≤0.002 </font></div>
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						<div><font color="#000000">磷酸盐(PO4)，% </font></div>
						<div><font color="#000000">≤0.001 </font></div>
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						<div><font color="#000000">溴化物(Br)，% </font></div>
						<div><font color="#000000">≤0.01 </font></div>
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						<div><font color="#000000">碘化物(I)，% </font></div>
						<div><font color="#000000">≤0.002 </font></div>
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						<div><font color="#000000">干燥失量，% </font></div>
						<div><font color="#000000">≤0.5 </font></div>
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						<div><font color="#000000">澄清度试验 </font></div>
						<div><font color="#000000">合格 </font></div>
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						<div><font color="#000000">水不溶物，% </font></div>
						<div><font color="#000000">≤0.005 </font></div>
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						<div><font color="#000000">重金属(以Pb计)，% </font></div>
						<div><font color="#000000">≤0.0005 </font></div>
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						<div><font color="#000000">镁(Mg)，% </font></div>
						<div><font color="#000000">≤0.002 </font></div>
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						<div><font color="#000000">钾(K)，% </font></div>
						<div><font color="#000000">≤0.02 </font></div>
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						<div><font color="#000000">钙(Ca)，% </font></div>
						<div><font color="#000000">≤0.005 </font></div>
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						<div><font color="#000000">铁(Fe)，% </font></div>
						<div><font color="#000000">≤0.0002 </font></div>
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						<div><font color="#000000">钡(Ba)，% </font></div>
						<div><font color="#000000">≤0.001 </font></div>
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						<div><font color="#000000">砷(As)，% </font></div>
						<div><font color="#000000">≤0.00005 </font></div>
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						<div><font color="#000000">含量(NaCl)，% </font></div>
						<div><font color="#000000">≥99.5 </font></div>
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						<div><font color="#000000">pH值(50g/L，25℃) </font></div>
						<div><font color="#000000">5.0～8.0 </font></div>
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						<div><font color="#000000">六氰合铁(Ⅱ)酸盐[以Fe(CN)6计]，% </font></div>
						<div><font color="#000000">≤0.0001 </font></div>
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