GB/T 7973-2003 《Paper，board and pulps--Measurement of diffuse reflectance factor(Diff/Geometry)》 Related products
The GB/T 7973-2003 standard specifies methods for the determination of diffuse reflection factors for paper, Cardboard and pulp, using diffuse/vertical lighting conditions. The standard describes in detail the Light spectrum, geometric and photometric characteristics of the instrument, as well as the method of transferring standard values. The standard ensures the accuracy and conformity of the measurement results and is suitable for the determination of diffuse reflection factors for paper and related products.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active |
|---|---|
| CCS | Y30 | ICS | 85.060 |
| Release Date | 2003-10-20 00:00:00 | Implementation Date | 2004-06-01 00:00:00 |
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$ 416.00 -
$ 402.00 -
$ 225.00 -
$ 378.00 -
$ 371.00 -
$ 281.00 -
$ 371.00 -
$ 341.00 -
$ 518.00 -
$ 632.00 -
$ 489.00 -
$ 218.00 -
$ 490.00 -
$ 347.00 -
$ 481.00 -
$ 518.00 -
$ 413.00 -
$ 310.00 -
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$ 630.00 -
$ 319.00 -
$ 472.00 -
$ 918.00 -
$ 1751.00 -
$ 1013.00
Extended reading
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