Dyes and Chemicals Measuring Formula for Laboratory

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Dyes and Chemicals Measuring Formula for Laboratory

Introduction:

Dyes and chemicals are measured in lab. Lab Dip Development means the sample which is dyed according to buyer’s requirements (similar shade and so on). Depending on lab dip development sample dyeing and bulk production dyeing planning done.


Preparation of Concentration of stock dye solution - 
Normally 0.1%, 0.5%, 1%, 1.5% and 2% stock solution of dyes are prepared in beakers for daily used.

Preparation of Concentration of stock chemical solution - 
Similarly 25% salt and 25% soda stock solutions are prepared in beakers for daily use.

The amount of dye solution (ml) is calculated as follow – 

                                                     Fabric weight x Shade %
Amount of dye solution (ml) = ----------------------------------------
                                             Concentration of stock dye soln %


***Example – 
In recipe, Fabric wt. = 5gm
Shade % = 2%
[If used 0. 5 % stock soln of dyes ] then ,

                                            5 X 2
Amount of dye solution (ml) = --------- = 20ml .
                                             0. 5

The amount of chemical soln (ml) is measured as follow - 

                                                       Fabric wt. * M : L * g/l
Amount of chemical solution (ml) = --------------------------------------
                                                   1000 * Conc. of stock soln %


***Example – 
In recipe, Fabric wt. = 5 gm
Salt = 20 g/l
M: L = 10
[ if taken 25 % stock soln of salt ] then ,

                                                          5 x 10 x 20
Amount of chemical solution (ml) = ----------------------------------- = 4 ml
                                                         1000 x 0.25

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Textile Learning Platform: Dyes and Chemicals Measuring Formula for Laboratory
Dyes and Chemicals Measuring Formula for Laboratory
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