Weigh the test samples and standard samples Xg (accurate to 0.0001g)
Put it into a 100ml beaker, add deionized water to adjust the slurry, transfer it into a 250ml bottle, dilute with deionized water to the mark, shake well and set aside.
Use a 0.5ml pipette to take 0.5ml Xg/250ml dye solution into a 25ml bottle
liquor ratio 1:30, fabric 2.00g
The dyeing depth is 1.% (owf) as an example, dyeing is carried out according to the recipe.
Chromatograph for color light calibration
Complete the test and issue a test report