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id="recommendv_subtract">0</span></i></a> </div> </td> <td valign="top" class="album_side_r"> <div class="album_side"> <div class="hm mtn mbn"> <a href="http://club.oecr.com/space-uid-11266.html" target="_blank" class="xi2"><img src="http://www.oecr.com/uc_server/avatar.php?uid=11266&size=small" /></a> <span class="tit_author"> <a href="http://club.oecr.com/space-uid-11266.html">电阻</a> </span> </div> <div class="date"><span>发布时间:</span> 2009-4-2 14:30</div> <div class="album_info"> <h3>正文摘要: </h3> <p>重达800磅磷酸二氢钾晶体</p> </div> </div> </td> </tr> </table> </div> </div> <div class="bm vw pl" id="comment"> <div class="bm_h cl"> <h2>回复</h2> </div> <div class="bm_c"> <div id="postlistreply" class="xld xlda mbm"><div id="post_new" class="viewthread_table" style="display: none"></div></div><div id="post_538484" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-18999.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=18999&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-18999.html" target="_blank" class="xi2">kkkyt</a><em id="author_538484"> 发表于</em> <span class="xg1 xw0">2009-4-3 11:05:52</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538484"> 晶体所的比这个大多了。 <br /> 。</td></tr></table> </div> <div id="comment_538484" class="cm"> </div> <div id="post_rate_div_538484"></div> </div> </dd> </dl> </div> <div id="post_538430" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-25117.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=25117&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-25117.html" target="_blank" class="xi2">kaka</a><em id="author_538430"> 发表于</em> <span class="xg1 xw0">2009-4-3 09:40:23</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538430"> PPKTP北京人工晶体研究院在做</td></tr></table> </div> <div id="comment_538430" class="cm"> </div> <div id="post_rate_div_538430"></div> </div> </dd> </dl> </div> <div id="post_538429" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-25117.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=25117&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-25117.html" target="_blank" class="xi2">kaka</a><em id="author_538429"> 发表于</em> <span class="xg1 xw0">2009-4-3 09:38:53</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538429"> KDP,KTP</td></tr></table> </div> <div id="comment_538429" class="cm"> </div> <div id="post_rate_div_538429"></div> </div> </dd> </dl> </div> <div id="post_538404" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10316.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10316&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xi2">再也不能这样</a><em id="author_538404"> 发表于</em> <span class="xg1 xw0">2009-4-3 08:22:48</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538404"> KTP<br /> 磷酸氧钛钾 (KTP)<br /> 具有大的非线性系数，大的容许温度和容许角度，激光损伤阈值较高，化学性质稳定，不潮解，机械强度适中，倍频转化效率高达70％以上等特性，是中小功率固体绿光激光器的最好倍频材料。<br /> 主要性能：<br /> 透过波段： 0.35～4.5μm<br /> 电光系数： γ 33=36Pm/V<br /> 折射率：nx=1.7377,ny=1.7453,nz=1.8297@1064nm<br /> 激光损伤阈值： 2.2GW/cm2@1064 nm<br /> 非线性光学系数： d33=13.7Pm/V<br /> 倍频转化效率： 45～70%<br /> 应用范围：<br /> 用于各种固体激光系统，特别是Nd : YAG 激光器的倍频和光参量振荡，集成光学的波导器件。<br /> 主要规格：<br /> 制做PPKTP晶体Z切大片 ＞40 mm x 30 mm x 1mm<br /> 最大器件规格尺寸： 12mm x 12mm x 20mm</td></tr></table> </div> <div id="comment_538404" class="cm"> </div> <div id="post_rate_div_538404"></div> </div> </dd> </dl> </div> <div id="post_538403" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10316.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10316&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xi2">再也不能这样</a><em id="author_538403"> 发表于</em> <span class="xg1 xw0">2009-4-3 08:21:18</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538403"> 磷酸二氢钾<br /> 磷酸二氢钾 (MKP)<br /> 分子式 KH2PO4<br /> 分子量 136.09<br /> 规 格 工业级：符合HG2321-92；食品级：符合FCC•1981; 客户要求<br /> 包 装 25Kg、50Kg内塑外编袋装；客户要求<br /> 用 途 工业上用作缓冲剂、培养剂；农业上用作高效磷钾复合肥；食品级用作食品改良添加剂<br /> 技术要求<br /> 1. 外观：白色粉状或结晶，农业用磷酸二氢钾允许带微色<br /> 2. 工业磷酸二氢钾应符合表1要求（HG2321-92）<br /> 项目 工业 农业<br /> 一等品 合格品 一等品 合格品<br /> 磷酸二氢钾（KH2PO4以干基计）含量，% ≥ 98.0 97.0 96.0 92.0<br /> 水分含量，% ≤ 2.5 3.0 4.0 5.0<br /> PH值 4.3-4.7 4.3-4.7<br /> 水不溶物含量，% ≤ 0.20 0.50 —<br /> 氯化物（Cl）含量，% ≤ 0.20 —<br /> 铁（Fe）含量% ≤ 0.003<br /> 砷（As）含量，% ≤ 0.005<br /> 重金属（以Pb计）含量，% ≤ 0.005<br /> 氯化钾（K2O以干基计）含量，% ≥ 33.9 33.5 33.2 31.8<br /> 3. 食品添加剂磷酸二氢钾应符合表2要求（FCC•1981）<br /> 项目 指标<br /> 食品级<br /> 磷酸二氢钾（KH2PO4以干基计）含量，% ≥ 98.0<br /> 干燥失重含量% ≤ 1.0<br /> 水不溶物含量，% ≤ 0.2<br /> 砷（As）含量，% ≤ 0.0003<br /> 重金属（以Pb计）含量，% ≤ 0.002<br /> 氟化物（以F计）含量，% ≤ 0.001<br /> 铅（以Pb计）含量，% ≤ 0.0005<br /> 【中文名称】磷酸二氢钾<br /> 【英文名称】potassium dihydrogen phosphate;monopotassium phosphate<br /> 【CAS号：】7778-77-0<br /> 【EINECS号：】231-913-4<br /> 【结构或分子式】<br /> 【相对分子量或原子量】136.09<br /> 【密度】2.338<br /> 【熔点（℃）】252.6<br /> 【性状】<br /> 【用途】<br /> 用于制药物和焙粉，也可用作肥料，饲料添加剂，食品添加剂，pH调节剂，细菌培养基等。<br /> 【制备或来源】<br /> （1）由以适当比例的磷酸与碳酸钾作用而得。<br /> （2）缓慢加入计算量的氢氧化钾溶液于磷酸中发生中和反应，生成磷酸二氢钾溶液，而后经脱色、过滤、浓缩、冷却、析出结晶，再离心分离、干燥得成品。<br /> 【其他】<br /> 熔融后成透明液体，冷却固化后为不透明的玻璃状物质偏磷酸钾。有吸湿潮解性。<br /> 物化性质：无色四方晶体或白色结晶性粉末。相对密度2.338。熔点252.6℃。溶于水（90℃时为83.5g/100ml水），水溶液呈酸性，1%磷酸二氢钾溶液的pH值为4.6。不溶于醇。有潮解性。加热至400℃时熔化而成透明的液体，冷却后固化为不透明的玻璃状偏磷酸钾。<br /> 以下为在下列温度（℃）下各种物质在100克水中的最大溶解克数<br /> 0℃ 14.8g 10℃ 18.3g 20℃ 22.6g 30℃ 28.0g 40℃ 33.5g 50℃ 40.7g<br /> 60℃ 50.1g 70℃ 60.5g 80℃ 70.4g 90℃ 78.5g 100℃ 83.5g<br /> 产品单价： 8.4人民币/公斤<br /> 性状：无色正方晶系结晶至白色颗粒或结晶性粉末，无臭，在空气中稳定。相对密度为2.338，易溶于水（83.5g/100ml,90℃），2.7%水溶液PH值4.2-4.7。不溶于乙醇。<br /> CAS 编号：7778-77-0</td></tr></table> </div> <div id="comment_538403" class="cm"> </div> <div id="post_rate_div_538403"></div> </div> </dd> </dl> </div> <div id="post_538295" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-50282.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=50282&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-50282.html" target="_blank" class="xi2">xbdxwm</a><em id="author_538295"> 发表于</em> <span class="xg1 xw0">2009-4-2 19:14:12</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538295"> 太矮了，嘿嘿。。。。。。以前在公司见过比这大三倍的</td></tr></table> </div> <div id="comment_538295" class="cm"> </div> <div id="post_rate_div_538295"></div> </div> </dd> </dl> </div> <div id="post_538272" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-25117.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=25117&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-25117.html" target="_blank" class="xi2">kaka</a><em id="author_538272"> 发表于</em> <span class="xg1 xw0">2009-4-2 17:18:15</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538272"> 这也叫巨大啊,我见过有人那么高大的</td></tr></table> </div> <div id="comment_538272" class="cm"> </div> <div id="post_rate_div_538272"></div> </div> </dd> </dl> </div> <div id="post_538220" class="xld xlda mbm"><dl class="bbda cl"> <dd class="m avt"><a href="http://club.oecr.com/space-uid-10316.html"><img src="http://www.oecr.com/uc_server/avatar.php?uid=10316&size=small" /></a></dd> <dt> <span class="y xw0"> </span> <a href="http://club.oecr.com/space-uid-10316.html" target="_blank" class="xi2">再也不能这样</a><em id="author_538220"> 发表于</em> <span class="xg1 xw0">2009-4-2 14:56:02</span> </dt> <dd class="z"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_538220"> 哇这是哪个公司搞的。以色列的吗？</td></tr></table> </div> <div id="comment_538220" class="cm"> </div> <div id="post_rate_div_538220"></div> </div> </dd> </dl> </div> </div> </div> </div> <script type="text/javascript"> new lazyload(); </script> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div 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