折射率的溫度校正及換算為可溶性固形物含量(補充件)如采用的折射儀不帶有可溶性固形物百分數(shù)刻度，儀器校準和樣液測定時，折射率的溫度校正及換算為可溶性固形物含量的方法如下。A1用蒸餾水校準折射儀讀數(shù)，在20°C時，折射率調(diào)至1.3330。溫度在15—25C時，按表A1中的折射率校準。A2根據(jù)在20C時，按檢測的樣液折射率讀數(shù)，由表A2查得可溶性固形物百分數(shù)。測定時溫度不在20C，需按下式先校正為20C時的折射率：N20D=ntD+O.00013(t-20)式中t為測定時的攝氏度表A1純水的折射率溫度C折射率溫度C折射率151.33339211.33290161.33332221.33281171.33334231.33272181.33316241.33263191.33307251.33253201.33299表A220°C時折射率與可溶性固形物換算表折可折可折可折可折可折可射溶射溶射溶射溶射溶射溶率性率性率性率性率性率性固固固固固固形形形形形形物物物物物物%%%%%%1.330.01.3514.1.3729.1.4043.1.4358.1.4772.3049 593 066 573 013 51.330.51.3515.1.3829.1.4044.1.4358.1.4773.3757 002 576 085 525 01.331.01.3515.1.3830.1.4044.1.4359.1.4743.4465 511 086 596 037 51.331.51.3516.1.3830.1.4045.1.4459.1.4774.5173 020 596 007 549 0

1.332.01.3516.1.3831.1.4145.1.4460.1.4774.598252900751806251.332.51.3517.1.3831.1.4146.1.4460.1.4775.679003851702957401.333.01.3517.1.3832.1.4146.1.4461.1.4775.739854702754108751.333.51.3618.1.3832.1.4141.1.4461.1.4776.810605653705359901.334.01.3618.1.3833.1.4147.1.4462.1.4876.88/1456504756401251.334.51.3619.1.3833.1.4148.1.4462.1.4877.952207455807552501.345.01.3619.1.3834.1.4148.1.4463.1.4877.033158306958603851.345.51.3620.1.3834.1.4149.1.4463.1.4878.113909357909755001.346.01.3620.1.3935.1.4149.1.4564.1.4878.184750208950906351.346.51.3621.1.3935.1.4250.1.4564.1.4870.255501150002157691.347.01.3621.1.3936.1.4250.1.4565.1.4879.33635200115320885

1.347.51.3622.1.3936.1.4251.1.4565.1.4980.417202952104450101.348.01.3622.1.3937.1.4251.1.4566.1.4980.488153903155501451.348.51.3623.1.3937.1.4252.1.4565.1.4981.568914954207052701.349.01.3623.1.3938.1.4252.1.4567.1.4981.649855805358154151.349.51.3724.1.3938.1.4253.1.4567.1.4982.710606856409355401.3410.1.3724.1.3939.1.4253.1.4668.1.4982.790155707550506751.3410.1.3725.1.3939.1.4254.1.4668.1.4983.8752308758501658001.3411.1.3725.1.3940.1.4254.1.4669.1.4983.9403159759642809351.3511.1.3726.1.4040.1.4355.1.4669.1.5084.0254000750703950701.3512.1.3726.1.4041.1.4355.1.4670.1.5084.1004951601855102051.3512.1.3727.1.4041.1.4356.1.4670.1.5085.18558026529063533013.TOC\o"1-5"\