GB∕T-5432-1985日用玻璃密度测定方法

GB5482-856计算6.1密度p(t℃)的计算公式：p(t℃)=m,-(m2-m)（P。A,)+p.式中：(t℃)一tC时试样的密度，g/cm3,m一一在空气中试样的质量，g:m,一试样悬吊在蒸馏水中的质量，g:m3-在蒸馏水中吊丝的质量，g:Pm一t℃时蒸馏水的密度，g/cm3,一空气的密度，取为0.0012g/cm3,t一测试时实验室的温度，℃。6.2取2~3次测定值的平均值作为试样的密度。平均值与测定值之间的差值，在数值的最后一位数不得超过1。7测试报告内容7.1样品的名称、规格、型号、数量和来源。7.2标准号及标准名称。7.3测试结果。7.4测试中需要说明的问题。7.5测试地点、日期和测试者签名。21GB5482-856计算6.1密度p(t℃)的计算公式：p(t℃)=m,-(m2-m)（P。A,)+p.式中：(t℃)一tC时试样的密度，g/cm3,m一一在空气中试样的质量，g:m,一试样悬吊在蒸馏水中的质量，g:m3-在蒸馏水中吊丝的质量，g:Pm一t℃时蒸馏水的密度，g/cm3,一空气的密度，取为0.0012g/cm3,t一测试时实验室的温度，℃。6.2取2~3次测定值的平均值作为试样的密度。平均值与测定值之间的差值，在数值的最后一位数不得超过1。7测试报告内容7.1样品的名称、规格、型号、数量和来源。7.2标准号及标准名称。7.3测试结果。7.4测试中需要说明的问题。7.5测试地点、日期和测试者签名。21GB5432-85附录A20~30℃纯水和干燥空气的密度(参考件)表A1纯水的密度g/cm)温度，℃0.00.10.20.30.40.50.60.70.80.9200.998200.998180.998160.998140.998120.998100.998080.998060.998040.998010.997990.997970.997950.997930.997910.997880.997860.997840.997820.99779220.997770.997750.997730.997700.997680.997660.997630.997610.997590.99756230.997540.997520.997490.997470.997440.997420.997400.997370.997350.99732240.997300.997270.997250.997220.997200.997170.997150.997120.997100.99707250.997050.997020.997000.996970.996940.996920.996890.996870.996840.99681260.996790.996760.996730.996710.996680.996650.996620.996600,996570.99654270.996520.996490.996460.996430.996400.996380.996750.996320.996290.99626280.996240.996210.996180.996150.996120.996090,996060.996030.996000.99598290.995950.995920.995890.995860.995830.995800.995770.995740.995710.9956800.995650.995620.995590.995560.995530.995500.995470.995430.995400.99537表A2干燥空气的密度g/cm3压强，mmHg温度，℃720730740750760770200.0011410.0011570.0011730.0011890.0012050.0012210.0011370.0011530.0011690.0011850.0012010.001216220.0011340.0011490.0011650.0011810.0011970.001212230.0011300.0011450.0011610.0011770.0011930.001208240.0011260.0011420.0011570.0011730.0011890.001204250.0011220.0011380.0011530.0011690.0011850.001200260.0011180.0011340.0011490.0011650.0011810.00119670.0011150.0011300.0011460.0011610.0011770.001192280.0011110.0011260.0011420.0011570.0011730.0011880.0011070.0011230.0011380.0011530.0011690.001184300.0011040.0011190.0011340.0011500.0011650.001180附加说明：本标准由中华人民共和国轻工业部提出，由轻工业部玻璃塘瓷工业科学研究所归口。本标准由轻工业部玻璃糖瓷工业科学研究所负责起草。本标准主要起草人藏玉龙、唐玲玲、马利。22GB5482-856计算6.1密度p(t℃)的计算公式：p(t℃)=m,-(m2-m)（P。A,)+p.式中：(t℃)一tC时试样的密度，g/cm3,m一一在空气中试样的质量，g:m,一试样悬吊在蒸馏水中的质量，g:m3-在蒸馏水中吊丝的质量，g:Pm一t℃时蒸馏水的密度，g/cm3,一空气的密度，取为0.0012g/cm3,t一测试时实验室的温度，℃。6.2取2~3次测定值的平均值作为试样的密度。平均值与测定值之间的差值，在数值的最后一位数不得超过1。7测试报告内容7.1样品的名称、规格、型号、数量和来源。7.2标准号及标准名称。7.3测试结果。7.4测试中需要说明的问题。7.5测试地点、日期和测试者签名。21GB5482-856计算6.1密度p(t℃)的计算公式：p(t℃)=m,-(m2-m)（P。A,)+p.式中：(t℃)一tC时试样的密度，g/cm3,m一一在空气中试样的质量，g:m,一试样悬吊在蒸馏水中的质量，g:m3-在蒸馏水中吊丝的质量，g:Pm一t℃时蒸馏水的密度，g/cm3,一空气的密度，取为0.0012g/cm3,t一测试时实验室的温度，℃。6.2取2~3次测定值的平均值作为试样的密度。平均值与测定值之间的差值，在数值的最后一位数不得超过1。7测试报告内容7.1样品的名称、规格、型号、数量和来源。7.2标准号及标准名称。7.3测试结果。7.4测试中需要说明的问题。7.5测试地点、日期和测试者签名。21GB5432-85附录A20~30℃纯水和干燥空气的密度(参考件)表A1纯水的密度g/cm)温度，℃0.00.10.20.30.40.50.60.70.80.9200.998200.998180.998160.998140.998120.998100.998080.998060.998040.998010.997990.997970.997950.997930.997910.997880.997860.997840.997820.99779220.997770.997750.997730.997700.997680.997660.997630.997610.997590.99756230.997540.997520.997490.997470.997440.997420.997400.997370.997350.99732240.997300.997270.997250.997220.997200.997170.997150.997120.997100.99707250.997050.997020.997000.996970.996940.996920.996890.996870.996840.99681260.996790.996760.996730.996710.996680.996650.996620.996600,996570.99654270.996520.996490.996460.996430.996400.996380.996750.996320.996290.99626280.996240.996210.996180.996150.996120.996090,996060.996030.996000.99598290.995950.995920.995890.995860.995830.995800.995770.995740.995710.9956800.995650.995620.995590.995560.995530.995500.995470.995430.995400.99537表A2干燥空气的密度g/cm3压强，mmHg温度，℃720730740750760770200.0011410.0011570.0011730.0011890.0012050.0012210.0011370.0011530.0011690.0011850.0012010.001216220.0011340.0011490.0011650.0011810.0011970.001212230.0011300.0011450.0011610.0011770.0011930.001208240.0011260.0011420.0011570.0011730.0011890.001204250.0011220.0011380.0011530.0011690.0011850.001200260.0011180.0011340.0011490.0011650.0011810.00119670.0011150.0011300.0011460.0011610.0011770.001192280.0011110.0011260.0011420.0011570.0011730.0011880.0011070.0011230.0011380.0011530.0011690.001184300.0011040.0011190.0011340.0011500.0011650.001180附加说明：本标准由中华人民共和国轻工业部提出，由轻工业部玻璃塘瓷工业科学研究所归口。本标准由轻工业部玻璃糖瓷工业科学研究所负责起草。本标准主要起草人藏玉龙、唐玲玲、马利。22