无锡市博爵文具有限公司 已通过实名认证

<***N lang=EN-US><***N style="mso-spacerun: yes">     <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">实验用切纸刀或专用裁样器，裁出试样的面积与规定面积相比，要求每<***N lang=EN-US>100<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">次中至少有<***N lang=EN-US>95<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">次的偏差范围在<***N lang=EN-US>+1%<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以内。用<***N lang=EN-US>4.3.1<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的方法经常校核设备。如已达到精度，用在校核试验中得到的平均面积计算定量。<***N lang=EN-US>

<***N lang=EN-US>4.2 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试样重<***N lang=EN-US>5g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以下的用精度<***N lang=EN-US>0.001g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平；<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试样重<***N lang=EN-US>5g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以上的用精度<***N lang=EN-US>0.01g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平；<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试样重<***N lang=EN-US>50g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以上的用精度<***N lang=EN-US>0.1g<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平或象限秤。<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所用的天平或象限秤只按<***N lang=EN-US>4.3.2<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">进行校核。<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">称重时应防止气流对称重装置的影响。<***N lang=EN-US>

<***N lang=EN-US>4.3 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">仪器的校准<***N lang=EN-US>

<***N lang=EN-US>4.3.1 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">切样设备的校核<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">裁切面积应经常校核，切<***N lang=EN-US>20<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个试样，并计算它们的面积应达到<***N lang=EN-US>4.1<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">中说明的精度，当各个面积的标准偏差小于平均面积的<***N lang=EN-US>0.5%<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">时，这个平均面积可用于以后试验的定量计算上，如标准偏差超过这个范围，每个试样的面积应单个地测定。<***N lang=EN-US>

<***N lang=EN-US>4.3.2 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平的校核<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">天平应经常用**标准砝码进行称量，加以校核，列出校正表。经计量局校核的可以在有效检定周期内使用。<***N lang=EN-US>

<***N lang=EN-US>5 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">取样<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">纸张及计量单位的选择以及试样的采取，应按<***N lang=EN-US>GB/T 450<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">方法进行，采样的数量应不少于<***N lang=EN-US>5<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个，它们的总面积应至少够<***N lang=EN-US>20<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">个试样。<***N lang=EN-US>

<***N lang=EN-US>6 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">温湿处理<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试样应按<***N lang=EN-US>GB/T10739<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的要求进行温湿处理。<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如在绝干或其他温湿条件下测定，报告结果应说明试样在称重时的条件。<***N lang=EN-US>

<***N lang=EN-US>7 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试样步骤<***N lang=EN-US>

<***N lang=EN-US>7.1 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">沿纸幅纵向折叠成<***N lang=EN-US>1<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">层、<***N lang=EN-US>5<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">层或<***N lang=EN-US>10<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">层，然后沿横向均匀切取<***N lang=EN-US>0.01 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即<***N lang=EN-US>100mm 100mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的试样至少<***N lang=EN-US>4<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">叠，**度为<***N lang=EN-US>0.1mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，若同时测定横幅定量偏差，则应尽量多取些。如有必要亦可切取<***N lang=EN-US>0.05 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">即<***N lang=EN-US>200mm 250mm <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的试样，**度为<***N lang=EN-US>0.5mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。分别称取每叠试样的质量，按以上步骤至少从<***N lang=EN-US>5<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">张纸样上，共切出<***N lang=EN-US>20<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">叠试样。<***N lang=EN-US>

<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如切样设备不能满足精度要求，则应测定每一个试样的尺寸，计算出测量面积。<***N lang=EN-US>

<***N lang=EN-US>7.2 <***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">宽度在<***N lang=EN-US>100mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以下的盘纸应按卷盘全宽切取<***N lang=EN-US>5<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">条长<***N lang=EN-US>300mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的纸条，一并称量，应测量所称量纸条的长边及短边，准确至长边为<***N lang=EN-US>0.5mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，短边为<***N lang=EN-US>0.1mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">，然后计算面积。可采用精度为<***N lang=EN-US>0.02mm<***N style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的游标卡尺测量。