1塑料量器校準(zhǔn)規(guī)范對于吸量管，當(dāng)液體自然流至流液口端不流時(shí)，3.1.2吹出式分度吸量管blowinggradua3.1.3流出式分度吸量管outflowgradu對于分度吸量管，當(dāng)液體自然流至流液口端不流時(shí)的量器為量入式，標(biāo)記為“Ex”的量器為量出式。塑料量器主要應(yīng)用在環(huán)保、2（a）單標(biāo)線容量瓶(b)分度吸量管(c)單標(biāo)線吸量管（d）量筒（e）量杯（f）燒杯圖1塑料量器示意圖在標(biāo)準(zhǔn)溫度20℃時(shí)，單標(biāo)線容量瓶和單標(biāo)線吸量管3表1單標(biāo)線容量瓶計(jì)量特性一覽表標(biāo)稱容量/mL2550250500容量允差/mLA±0.040±0.040±0.060±0.100±0.150±0.250±0.400B±0.1±0.08±0.12±0.30±0.30±0.50±0.800表2單標(biāo)線吸量管計(jì)量特性一覽表標(biāo)稱容量/mL1220或2550容量允差/mL±0.020±0.020±0.030±0.040±0.060±0.100流出時(shí)間/s2～122～124～254～305～356～40表3分度吸量管計(jì)量特性一覽表標(biāo)稱容量/mL1252550容量允差/mL±0.020±0.025±0.050±0.10±0.20±0.30流出時(shí)間/s2～102～122～143～175～218～25表4量筒計(jì)量特性一覽表標(biāo)稱容量/mL25502505002000分度值/mL0.10.20.5112520容量允差/mL±0.1±0.2±0.5±1±1±2±5±20表5量杯計(jì)量特性一覽表標(biāo)稱容量/mL525502505002000容量允差/mL±0.2±0.4±0.5±3.0±6.0±20表6燒杯計(jì)量特性一覽表標(biāo)稱容量/mL255020025050020005000容量允差/mL±2.5±5.0±20±25±50±200±500注：以上計(jì)量特性要求不用于合格性判斷，僅供參考。46.1.2水溫與室溫之差不大于2℃。表7測量標(biāo)準(zhǔn)及其他設(shè)備序號儀器名稱測量范圍技術(shù)要求1電子天平最大稱量不小于220g分度值0.1mg2電子天平最大稱量不小于1000g分度值1mg3電子天平最大稱量不小于5000g分度值10mg4溫度計(jì)（0～50）℃分度值不大于0.1℃5秒表/分辨力不大于0.1s6其他設(shè)備有蓋稱量杯、放大鏡等5表8塑料量器參考校準(zhǔn)點(diǎn)儀器名稱校準(zhǔn)點(diǎn)單標(biāo)線容量瓶總?cè)萘繂螛?biāo)線吸量管總?cè)萘糠侄任抗芸側(cè)萘康?/10（或1/5）自流液口起半容量（半容量～流液口）總?cè)萘苛客部側(cè)萘康?/10（或1/5）自底部起半容量（半容量～底部）總?cè)萘苛勘側(cè)萘康?/10（或1/5）自底部起半容量（半容量～底部）總?cè)萘繜側(cè)萘康?/10（或1/5）自底部起半容量（半容量～底部）總?cè)萘孔ⅲ寒?dāng)半容量不是整數(shù)值時(shí)，可以選擇半容量附近的整數(shù)容量值進(jìn)行校準(zhǔn)。），），6.K(t)（2）（3）K(t)值列于附錄B中。根據(jù)測量的質(zhì)量值 的四分之一，取兩次測量結(jié)果的平均值V20作為該校準(zhǔn)點(diǎn)的實(shí)際容量值。將分度吸量管和單標(biāo)線吸量管注水至最高標(biāo)線以上約5mm調(diào)至最高標(biāo)線處；吸量管垂直放置，流液口輕靠接水器壁，此時(shí)接水器傾斜約）；），g)進(jìn)行校準(zhǔn)的日期，如果與校準(zhǔn)結(jié)果的有效性和應(yīng)用有關(guān)時(shí)，應(yīng)說明被校j)本次校準(zhǔn)所用測量標(biāo)準(zhǔn)的溯源性及有效性說明；7n)校準(zhǔn)證書簽發(fā)人的簽名、職務(wù)或等p）未經(jīng)實(shí)驗(yàn)室書面批準(zhǔn)，不得部分復(fù)制證書的聲明。8衡量法K(t)值A(chǔ).1聚丙烯（rr）體脹系數(shù)β=240×10-6/℃。K(t)/(cm3/g)K(t)/(cm3/g)K(t)/(cm3/g)1.002101.0018622.21.001751.002091.0018522.31.001751.002081.0018522.41.001751.002081.0018422.51.001751.002071.0018422.61.001751.002061.0018322.71.001751.002051.0018322.81.001751.002041.0018322.91.001751.002041.0018223.01.001751.002031.0018223.11.001751.002021.0018123.21.001751.002011.0018123.31.001751.002001.0018123.41.001751.002001.0018023.51.001751.0019920.01.0018023.61.001751.0019820.11.0018023.71.001721.0019820.21.0017923.81.001751.0019720.31.0017923.91.001751.0019620.41.0017924.01.001751.0019520.51.0017824.11.001751.0019520.61.0017824.21.001751.0019420.71.0017824.31.001751.0019420.81.0017824.41.001751.0019320.91.0017724.51.001751.0019221.01.0017724.61.001761.0019221.11.0017724.71.001761.0019121.21.0017724.81.001761.0019021.31.0017724.91.001761.0019021.41.0017625.01.001761.0018921.51.00176--1.0018921.61.00176--1.0018821.71.00176--1.0018821.81.00176--1.0018721.91.00176--1.0018722.01.00175--1.0018622.11.00175--9A.2聚甲基戊烯（PMP）體脹系數(shù)β=360×10-6/℃K(t)/(cm3/g)K(t)/(cm3/g)K(t)/(cm3/g)1.002701.0020122.41.001461.002681.0019922.51.001451.002661.0019822.61.001441.002641.0019622.71.001421.002621.0019422.81.001411.002601.0019322.91.001401.002581.0019123.01.001391.002561.0018923.11.001371.002541.0018823.21.001361.002521.0018623.31.001351.002501.0018523.41.001341.002481.0018323.51.001331.002461.0018223.61.001311.0024420.01.0018023.71.001281.0024220.11.0017923.81.001291.0024020.21.0017723.91.001281.0023820.31.0017524.01.001271.0023620.41.0017424.11.001261.0023520.51.0017224.21.001251.0023320.61.0017124.31.001231.0023120.71.0017024.41.001221.0022920.81.0016824.51.001211.0022720.91.0016724.61.001201.0022521.01.0016524.71.001191.0022321.11.0016424.81.001181.0022221.21.0016224.91.001171.0022021.31.0016125.01.001161.0021821.41.00160--1.0021621.51.00158--1.0021521.61.00157--1.0021321.71.00155--1.0021121.81.00154--1.0020921.91.00153--1.0020822.01.00151--1.0020622.11.00150--1.0020422.21.00149--1.0020322.31.00147--A.3全氟烷氧基樹脂（PFA）體脹系數(shù)β=390x10-6/℃。K(t)/(cm3/g)K(t)/(cm3/g)K(t)/(cm3/g)1.002851.0020522.41.001391.002831.0020322.51.001371.002811.0020122.61.001361.002781.0019922.71.001341.002761.0019722.81.001331.002741.0019522.91.001311.002711.0019323.01.001301.002691.0019123.11.001281.002671.0018923.21.001271.002641.0018723.31.001251.002621.0018623.41.001241.002601.0018423.51.001221.002571.0018223.61.001211.0025520.01.0018023.71.001161.0025320.11.0017823.81.001181.0025120.21.0017623.91.001161.0024920.31.0017524.01.001151.0024620.41.0017324.11.001131.0024420.51.0017124.21.001121.0024220.61.0016924.31.001111.0024020.71.0016724.41.001091.0023820.81.0016624.51.001081.0023620.91.0016424.61.001061.0023321.01.0016224.71.001051.0023121.11.0016024.81.001041.0022921.21.0015924.91.001021.0022721.31.0015725.01.001011.0022521.41.00155--1.0022321.51.00154--1.0022121.61.00152--1.0021921.71.00150--1.0021721.81.00149--1.0021521.91.00147--1.0021322.01.00145--1.0021122.11.00144--1.0020922.21.00142--1.0020722.31.00141--純水密度表溫度/℃密度/(g/cm3)溫度/℃密度/(g/cm3)溫度/℃密度/(g/cm3)溫度/℃密度/(g/cm3)0.9990990.99863220.60.99807723.40.9974420.9990840.99861320.70.99805623.50.9974170.9990690.99859520.80.99803523.60.9973930.9990530.99857620.90.99801323.70.9973960.9990380.99855721.00.99799123.80.9973440.9990220.99853921.10.99797023.90.9973200.9990060.99852021.20.99794824.00.9972950.9989910.99850121.30.99792624.10.9972700.9989750.99848221.40.99790424.20.9972460.9989590.99846321.50.99788224.30.9972210.9989430.99844321.60.99785924.40.9971950.9989260.99842421.70.99783724.50.9971700.9989100.99840421.80.99781524.60.9971450.9988930.99838521.90.99779224.70.9971200.9988760.99836522.00.99776924.80.9970940.9988600.99834522.10.99774724.90.9970690.9988430.99832522.20.99772425.00.9970430.9988260.99830522.30.99770125.10.9970180.9988090.99828522.40.99767825.20.9969920.9987920.99826522.50.99765525.30.9969660.9987740.99824422.60.99763125.40.9969400.9987570.99822422.70.99760825.50.9969140.99873920.00.99820322.80.99758425.60.9968880.99872220.10.99818222.90.99756125.70.9968610.99870420.20.99816223.00.99753725.80.9968350.99868620.30.99814123.10.99751325.90.9968090.99866820.40.99812023.20.997490//0.99865020.50.99809923.30.997466//差不得大于2℃；相對濕度30～80）%。采用衡量法對100mL單標(biāo)線塑料容量瓶進(jìn)行容量示值校準(zhǔn)。即將容量瓶清.K(t)(C1)V20——20℃時(shí)校準(zhǔn)點(diǎn)的實(shí)際容量，mL；），u=+cu2(m)+cWu2(PW)+cu2(β)+cu2(t)(C3)（1）水的質(zhì)量測量引入的不確定度分量μ(m)（4）溫度測量引入的不確定度分量μ(t)C.4.1水的質(zhì)量測量引入的不確定度分量μ(m)的評定C4.1.1液面觀察與調(diào)定引入的標(biāo)準(zhǔn)不確定度μ(ΔV)采用B類評定方法。由于操作者的習(xí)慣及眼睛分辨能力的差異，讀數(shù)時(shí)，操作者在讀取液面值時(shí)產(chǎn)生的讀數(shù)誤差h最大為0.2mm。100mL容量瓶的內(nèi)直C.4.1.2電子天平引入的不確定度分量μ(m1)最大稱量為220g，分度值為0.1mg電子天平的最大允許誤差為±1.5mg，C.4.1.3測量重復(fù)性引入的不確定度分量μ(m2)重復(fù)性引入的不確定度采用A類方法進(jìn)行評定。在相同測量條件下，對單次測量值的實(shí)驗(yàn)標(biāo)準(zhǔn)偏差s=0.0107gC.4.2水密度引入的不確定度分量μ(PW)C.4.3體脹系數(shù)不準(zhǔn)確引入的不確定度分量μ(β)C.4.4溫度測量引入的不確定度分量μ(t)C.4.4.1溫度計(jì)引入的標(biāo)準(zhǔn)不確定度μ(t1)采用B類評定方法。在測量中，采用量程范圍（0～50）℃的水銀溫度計(jì)，C