1. Colorimeter, Syringe Pipet, Electronic Balance.

2. Therefore, EDXRF and colorimeter are effective ways to analyze and study the ancient woollen.

3. The spectral colorimeter is thought to human visual sensitivity with good linearity.

4. The main component of Lovibond instrument is Lovibond colorimeter filter glass which is red, yellow, blue and grey in colour with 84 pieces of glass sheets.

5. Colorimeter , React - R - Shaker, Reagent Dye Dispenser , Electronic Balance , Cyclone Sample Mill.

6. A new kind of the practical IR colorimeter using LiTaO 3 pyroelectric detector is presented.

7. In order to improve the precision of colorimeters, photoelectricity integral colorimeter principle error emendation is studied.

8. Colorimeter , React - R - Mill, Reagent dye Dispenser , Electronic Balance Cyclone Sample Mill.

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9. Submit them to test on a photoelectric colorimeter or spectrophotometer.

10. Gardner chromaticity value and color grade of solid gum rosin was determined a Lovibond automatic colorimeter.

11. Gardner chromaticity value and color grade of solid gum rosin was determined with a Lovibond automatic colorimeter .

12. The instrument which is employed to directly measure the tri - stimulus coordinates a color a colorimeter.

13. The main contents are summarized as follows . 1 . The general design of colorimeter system.

14. A chebyshev's best curve fitting method was introduced in this paper, to improve the exchangeability of photoelectric colorimeter based on numerical value correction.

15. The paper introduces a new type of portable photoelectric comparator - colorimeter which works by the battery only.

16. The effect of cement specific surface area and the amount of ground granulated blast furnace slag, fly ash , lime stone powder, exit kiln dust mixed in cement on the cement colorimeter was tested.

17. However, due to its cheap, it is still widely used colorimeter.