GBT6102.2-1985原棉回潮率试验方法电测器法.pdf 8页

'中华人民共和国国家标准UDC677.21:543原棉回潮率试验方法CB6102.2一85电测器法*Testmethodformoistureregaininrawcotton勿electricalmoisturemeter本方法适用于试验试样的回潮率在6一12%的细绒锯齿棉和皮辊棉。本方法适用于以箱内热称法标定回潮率的电测器。如使用符合本标准3.1所述电测器技术条件的棉花水分电测器，可在本标准附录A,B的范围内，将含水率换算成回潮率。1定义1.1含湿质量(湿重)原棉含有水分时的质量。1.2干燥质最(干重)原棉经一定方法除去水分后的质量。1.a回潮率在规定条件下测得的原棉水分含量，以试样的湿重与干重的差值对千重的百分率表示。1.a含水率规定条件下测得的原棉水分含量，以试样的湿重与干重的差值对湿重的百分率表示。1.5箱内热称试样在烘箱内烘除水分后，用烘箱上附装的天平称取箱内试样的质量。2原理利用棉纤维在不同回潮率下具有不同电阻值的特性，在试样的质量、密度和极板电压等试验条件一定的情况下，测1}通过棉纤维的电流大小，间接地得出原棉的回潮率。a仪器和工具吕.甘电测器及技术条件:a.测it电压:3601"SV。b.极板压力:压力器指针指到圃点时的压力为75士5kgfoc·极板面积:235x100m-".‘，表头刻度:分度为0.1%，用棉花电阻校验箱校验时，表头指针偏差不大于10.05%03.2棉花电阻校验箱:1MO以上，阻值误差不大于士1%。1Mil以下，阻值误差不大于t0.5%,压力校验器:7515kg,:一:案秤:分度值不大于5go·本方法与GB6102.1-65《原棉回潮率试验方法烘箱法》测试数据呈显著相关，如两者数据发生较大差异时应分析技术原因，以正常条件下的烘箱法所测数据为准。国家标准局t二5-0一12发布1886一05Oi实施 C日⋯次。2一二3.肠盛样容器:密封性好，不吸砚。4试脸环境的沮砚度条件按适用的各型号电翻器的使用环境沮、湿度条件规定。肠取样与样品处理5.1取样取样份数和方法按GB1103-72《棉花(细绒棉)》的规定或有关各方商定的办法进行。石.2样品质t每份样品约IOOB,5.忿样品处理5.5.1将取得的样品连同盛样容器置于试脸环境下进行温度平衡，以使环境的沮度差异在士2C以内。5.a.2自取得样品时起，回溯率的侧定应在24h内一次试脸完毕。.试验步骤S.，电测器校验二1.1检查表头指钎是否与表头刻度的起点重合，否则调节表头调零螺丝..‘1.2开启“电源开关”，将转换开关拨至“满度调整”，调节“满度调整”旋钮，使指针与表头刻度的满度重合。二2测试5.2.1打开盛样容器，取出一份样品用案秤称取50土58试验试样，放在电测器玻确盖上迅速撕松，均匀地推人两极板间，盖好玻璃盖，摇动手柄加压，使压力器指针指到图点。二2.2将校脸开关拨到“回潮测盘”，待指针偏转稳定后，按锯齿棉或皮辊棉刻线，记下回潮率读数，读数记录至最接近的0.1%。二2.3将转换开关拨至“温度修正”，按锯齿棉或皮辊棉记录修正至最接近的0.1%.二2.4关闭电源，退松压力器，取出试验试样。二2.5将测得的锯齿棉或皮辊棉回潮率读数加上相应的温度修正值，即为该试毅试样的回溯率。5.2二从盛样容器内取出一份样品，称重至该试脸试样侧试完毕，时间不得超过1min,7试验结果计算7.1平均回潮率.艺R.留1R=”式中:R—平均回潮率，%.凡—第i个试验试样的回潮率，%，”—试验试样份数。7.2数字修约平均回潮率修约至二位小数。数字修约按GB1.1-81((标准化工作导则编写标准的一般规定》附录C(}卜充件)“数字修约规则，的规定进行。 C日slog。2一.a.试验报告试验报告包括各试验试样的回潮率和平均回潮率，并写明批样来源，品级长度，品种，样品编号，试验日期艰棍.湿度等。试验报告单如下:原棉回潮率试验报告单批样来源样品编号品级长度试验日期_品种温、湿度件数试样份数取样时间试脸时间平均回回潮翻率.率%黔www.bzfxw.com复核_检脸员 C日63.2。2一二附录A拐齿棉电浦含水率与电洲回潮率的换算表(参考件)回潮率%含水率，%6.506.606.706.806.907.007.107.207.307.400.006.056.176.296.406.526.646.766.886.990.016.066.186.306.426.536.656.776.897.000.026.076.196.316.436.556.666.786.907.020.036.096.206.326.446.566.686.796.917.030.046.106.226.336.456.576.696.806.927.040.056.116.236.356.466.586.706.826.937.050.066.006.126.246.366.486.596.716.836.957.060.076.026.136.256.376.496.606.726.846.967.080.086.036.156.266.386.506.626.736.856.977.090.096.046.166.276.396.516.636.756.866.987.10一~.山..口，一--山一~~，~~.曰...卜匕含水率，%7.507.607.707.807.908.008.108.208.308.40www.bzfxw.com0.007.117.237.357.467.587.707.827.948.058.170.017.127.247.367.487.597.717.837.958.068.180.027.137.257.377.497.617.727.847.968.088.190.037.157.267.387.507.627.747.857.978.098.210.047.167.287.397.517.637.757.867.988.108.220.057.177.297.417.527.647.767.887.998.118.230.067.187.307.427.537.657.777.898.018.128.240.077.197.317.437.557.667.787.908.028.148.250.087.217.327.447.567.687.797.918.038.158.260.097.227.337.457.577.697.817.928.048.168.28~...白.，...目...~月‘..含水率，%8.508.608.708.808.90、9.009.109.209.309.400.008.298.418.528.648.768.888.999.119.350.018.308.428.548.658.778.899.019.129.360.028.318.438.558.678.788.909.029.149.370.038.328.448.568.688.798.919.039.159.380.048.348.458.578.698.818.929.049.169.400.058.358.478.588.708.828.949.059.179.410.068.368.488.598.718.838.959.079.189.420.078.378.498.618.728.848.969.089.209.430.088.388.508.628.748.85名979.099.219.440.098.398.518.638.758.878.989.109.229.45}9·3‘51 CB6102.2一85续表o币含水率，%9.509。609.709.809.9010.0010.1010.2010.3010.4010.500.009.479.589.709.8299410.0510.1710.2910.4110.5310.640019，489.609.719.839.9510.07101810。3010.4210。5410.660.029。499.619.729.8499610.0810.2010.3110.43105510.670.039.509。629.749.859。9710.0910.2110.3310.4410.5610.680.049.519.639.759.879.9810。1010.2210。3410.4510.5710690。059.529。649.769.3810。0010.1110.2310。3510.4710.5810.700。069.549.659.779.8910.0110。1310.24103610.48106010.710.079。559。679.789.90100210。1410.2510.371049106110.730.089.569。689.809，9110.0310.1510.2710.3810.5010.6210.740.099.579.699.819.9310.0410.1610.2810.4010.5110.631075"一叫‘户Ꜯ‘畘~..‘긮...月一含水率，%10.6010.7010一8010.9011，0011。1011，2七11.3011.4011.5011.600.00108811.0011.11112311.3511.4711.59117011.8211.940.0110.89110111.13112411.3611.4811.6011.7111.8311.950.0210。9011。0211.1411。26113711。4911。6111.73118411.960.0310.9111.0311.1511.27113911.50116211。74118611.970.0410.9311.0411。16112811‘4n11.5111。6311.7511.8711.990.0510.9411。0611.17112911.4111.5311.6411.7611.8812，000.0610。9511.07111811.3011。4211.5411.6611.7711.890.0710。9611.0811‘2011.3111。4311.5511，6711‘7911.900，08110.8610.9711.0911.2111.33114411.56116811.8011.920.09109811，1011.2211.3411.4611.5711.6911.8111.93}’。.87 CB8102.2一.5附录B皮辊棉电洲含水率与电测回潮率的换算表(参考件)回潮率%含水率，%6.706.806.907.007.107.207.307.400.006.086立口6.306.416.53‘646.750.01肠的6.206.316.43654665石.76O026.106，216.33‘446.556。6右6.770.036.006.116.丝6.346.456.邱6.6767容0.0呜6.016.12已.封6.356.466.576.686.800.056.026.146.256.366.476.586.696.810.066.036.156.266.376.486.5日6.716.82O叮冬.056.16弓.276.38名.4马6.616.726.那O明6.此6.176.286.396.506。右26.736肚0.的6.0761吕6.29心。叨6.526右36746.95含水率，%7.507.607.707.807.908.的9.108.20忿.加8.400.006.866.977。佣7.207.3玉7.427.岛7.启67.767，价0.016.87肠.的7.107.217327.437.557.667.777.880.026.897.007.117.227337,447。弱7677，787.890.璐6.907似7.127。器7347.467.67了朋7。79了，如0.04已.917.027.137.247.367.477587朋7.习07.920.056.927.037.147.257.377.487.597.707。917日30.叱6.937.047.157.277.387.497.607.717.日37.洲0.076.947.057.177.287.397.507.617,727.847.950.086.957.067.187.297,407.517.627.747.857.960.096.967加7.197.307.417.627.647.157。舫7.97含水卒，写必.50东动8.70公肋口幼，，加9.109209.309.叨0.007.988.098.218.32公.438.548.658.778.888.990.017.99妞118.22尽.338.448.558.678.788.899.000.028.00吕128.238.348.458.568.688.798.909.010.03习.028.138.248.35已46吕588.698.808.919.020.0峨启此皿飞4耳，25吕.368.47扭.阳琶70目舀1名韶习。03005曲04吞，生5尽.269.盯.妈吕肋8.71合自2尽，03g肠O068.05口。!68.278.39皿。508.618.729938.94g舫0.078.068.178.288.409。518.628.73日目48.969.070.088.078.188.308.418.528.638.748.868.979.080.098.088.198.318.42自.538.648.758.878.989.0953 G日0102.2一.S续表%含水率，%9.509.609.709.809.9010.0010.1010.2010.300.009.109.219.339.449.559.669.779.8910.000.019.119.229.349.459.569.679.789.9010.010.029.129.249.359.469.579.689.809.9110.02一0.039.149.259.369.479.589.709.819.9210.030.049.159.269.379.489.599.719.829.9310.040.059.169.279.389.499.619.729.839.9410.050.069.179.289.399.509.629.739.849.9510.060.079.189.299.409.529.639.749.859.9610.080.089.199.309.429.539.649.759.869.9710.090.099.209.319.439.549.659.769.879.9910.10含水率，%10.4010.5010.6010.7010.8010.9011.0011.1011.200.0010.1110.2210.3310.4510.5610.6710.7810.8911.000.0110.1210.2310.3410.4610.5710.6810.7910.9011.020.0210.1310.2410.3610.4710.5810.6910.8010.9211.030.0310.1410.2510.3710.4810.5910.7010.8110.9311.040.0410.1510.2710.3810.4910.6010.7110.8310.9411.050.0510.1710.2810.3910.5010.6110.7210.8410.9511.060.0610.1810.2910.4010.5110.6210.7410.8510.9611.070.0710.1910.3010.4110.5210.6410.7510.8610.9711.080.0810.2010.3110.4210.5310.6510.7610.8710.9811.090.0910.2110.3210.4310.5510.6610.7710.8810.9911.11............目...含水率，%11.3011.4011.5011.6011.7011.8011.9012.000.0011.1211.2311.3411.4511.5611.6811.790.0111.1311.2411.3511.4611.5811.6911.80一11.9010.0211.1411.2511.3611.4811.5911.7011.810.0311.1511.2611.3711.4911.6011.7111.820.0411.1611.2711.3911.5011.6111.7211.830.0511.1v11.2811.4011.5111.6211.7311.840.0611.1811.3011.4111.5211.6311.7411.860.0711.2011.3111.4211.5311.6411.7511.870.0811.2111.3211.4311.5411.6511.7711.880.0911.2211.3311.4411.5511.6711.7811.895屯 GB6102.2一85附加说明:本标准由国家标准局纤维检验局提出。本标准由上海市纺织纤维检验所负责起草，由北京市纺织纤维检验所和新艘维吾尔自治区纺织纤维检验所协作起草。木标准主要起草人严文源、黄镇槐。'