1.1 These test methods cover the sampling and chemical analysis of cake, powdered, flake, liquid, and paste soaps, and soap products.
1.2 The test methods appear in the following order:
Sampling
Section
General Requirements 4
Cake Soaps, Flake and Powdered Soap Products when Packed in Cans or Cartons 5
Flake and Powdered Soap Products when in Bulk 6
Liquid Soap 7
Paste Soap Products 8
Preparation of Samples 9
Test Methods for Chemical Analysis
Safety Precautions 10
Purity of Reagents 11
Duplicate Tests 12
Moisture:
Choice of Method 13
Method A—Matter Volatile at 105°C (Oven Method) 14
Method B—Distillation Method 15 – 18
Total Matter Insoluble in Alcohol 19 and 20
Free Alkali or Free Acid 21
Matter Insoluble in Water 22
Total Alkalinity of Matter Insoluble in Alcohol, Alkaline Salts 23
Combined Alkali, Total Anhydrous Soap 24 and 25
Combined Sodium and Potassium Oxides 26 – 29
Free Alkali and Potassium Carbonate in Potash Paste Soaps 30 – 32
Unsaponified plus Unsaponifiable Matter 33 – 35
Unsaponifiable Matter 36 – 38
Unsaponified Matter 39
Rosin (McNicoll Method) 40 – 43
Preparation of Total Fatty Matter, Fatty and Rosin Acids, and Unsaponified Matter 44 and 45
Titer Test 46 and 47
Acid Number of Fatty Acids 48 and 49
Iodine Number (Wijs Method) 50 – 52
Chlorides 53 – 55
Borax 56 – 58
Silica Present as Alkaline Silicates 59 and 60
Carbon Dioxide (Carbonates):
Train-Absorption Method 61 – 64
Evolution-Volumetric Method 65 – 68
Phosphates 69 – 76
Tetrasodium Pyrophosphate 77 – 79
Sulfates 80 and 81
Glycerine, Sugars, and Starch:
Glycerine in the Absence of Sugars 82 – 84
Glycerine in the Presence of Sugars 85 and 86
Starch 87 and 88
Sugars 89 and 90
Volatile Hydrocarbons 91 – 95
Copper (Trace Amounts) 96 – 102
Precision and Bias 103
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 10. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.
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