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• All tests for anionic surfactants:
o Percentage of active ingredient
o Un-sulfonated materials
o pH
o Humidity
o Oxidant
o Sodium sulfate
o Sulfuric acid
o Color
o Dioxane
o Oxidant
o Alkalinity
o Acidity
• Analysis of washing powder with low and high foam (hand and machine laundry powder):
o Appearance
o odor
o Dispersibility
o pH
o Moisture and volatiles
o Free alkalinity
o Standard fabric ash measurement (descaling)
o The power of cleansing and dirt removal
o Brightening power
o Packaging
o Marking
o Percentage of salt
o Density
o Granulation