標(biāo)準(zhǔn)編號:	GB/T 7962.12-2010
中文名稱:	無色光學(xué)玻璃測試方法　第12部分：光譜內(nèi)透射比
英文名稱:	Test methods of colourless optical glass—Part 12:Spectral internal transmittance
中標(biāo)分類:	N05    儀器、儀表用材料和元件
行業(yè)分類:	GB    國家標(biāo)準(zhǔn)
ICS分類:	81.040.01 81.040.01    玻璃綜合 81.040.01
發(fā)布機(jī)構(gòu):	國家質(zhì)量技術(shù)監(jiān)督局
發(fā)布日期:	2011-1-14
實(shí)施日期:	2011-5-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 7962.12-1987 無色光學(xué)玻璃測試方法 光譜內(nèi)透過率測試方法
翻譯語言:	英文
文件格式:	PDF
中文字符數(shù):	6000 字
翻譯價(jià)格(元):	360.0
交付時(shí)間:	付款后 1 個(gè)工作日

1 Scope This part of GB/T 7962 specifies the test method principle, apparatus, test steps and data processing for the spectral internal transmittance of colourless optical glass. This part is applicable to the test on the spectral internal transmittance of colourless optical glass. 2 Normative references The following documents contain provisions which, through reference in this part of GB/T 7962, constitute provisions of this part. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest editions apply to this part. GB/T 903 Colourless optical glass 3 Terms and definitions For the purposes of this part, the following term and definition apply. 3.1 internal transmittance tλ ratio of luminous flux passing through internal ending point and starting point of the glass, excluding the internal transmittance loss by surface reflection

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Apparatus 6 Sample 7 Test steps 8 Data processing