Official ALCA Test Methods

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VEGETABLE TANNING MATERIALS
 
Method Number
A1
A5
A6
A10
A11
A12
A13
A20
A21
A22
A25
A30
A31
A40
A50
A60
ASTM Number
D 4899
D 6405
D 6403 
D 4901
D 4905
D 4904
D 4902
D 4903
D 6402
D 6401
D 6408
D 6410
D 6406
D 6407
D 6409
D 4900
TITLE OF METHOD
Analysis of Veg-Tan Materials - General
Extraction of Tannins from Raw and Spent Materials
Moisture in Raw and Spent materials
Preparation of Solution of Liquid Veg-Tan Extracts
Preparation of Solution of Solid, Pasty, or Powder Veg-Tan Extracts
Cooling of Analytical Solutions
Evaporation and Drying of Analytical Solutions
Total Solids and Water in Veg-Tan Extracts
Soluble Solids and Insolubles in Veg-Tan Extracts
Non-Tannins and Tannin
Analysis of Tannery Liquors
Sugar in Tanning Materials
Copper and Iron in Veg-Tan Materials
Color Tests with Sheepskin Skiver
Lignosulfonates in Tanning Materials
Official Certificate of Analysis Form


VEGETABLE TANNED LEATHERS

Method Number
B1
B2
B3
B4
B5
B8
B9
B10
B11
B12
B15
B16
B20
B21 
B30
ASTM Number
*
D 2813
D 3790
D 3495
D 2868
D 2876
*
*
D 2875
D 6020
D 2617
*
D 2810
*
*
TITLE OF METHOD
Analysis of Vegetable-Tanned Leather - General
Preparation of Sample for Analysis
Moisture of Leather by Oven Drying
Hexane Extraction of Leather
Nitrogen (Kjeldahl) and Hide Substance
Water-Soluble Matter of Veg-Tan Leather
Soluble Non-Tannin and Uncombined Tannin
Glucose in Veg-Tan Leather
Insoluble Ash of Veg-Tan Leather
Combined Tannin and Degree of Tannage of Veg-Tan Leather
Total Ash in Leather
Magnesium (as Epsom Salts) in Veg-Tan Sole Leather
pH of Leather
Procter and Searle Number (Sulfuric Acid Content) of Veg-Tan Leather
Official Certificate of Analysis Form



MINERAL TANNING MATERIALS
 
Method Number
C1
C5 
C10
C11
ASTM Number
D 3898
D 3913
D 3897
D 5356
TITLE OF METHOD
Chromic Oxide in Chromium Tan Liquors
Acidity in Chromium Tan Liquors
Basicity of Chromium Tan Liquors
pH of Chrome Tan Liquors


MINERAL TANNED LEATHER
 
Method Number
D1
D5
D10
D20
D21
D30
D35
ASTM Number
D 2813
*
D 2807
D 4655
D 4653
D 4654
D 2810
TITLE OF METHOD
Sampling Leather for Physical and Chemical Tests
Analysis of Mineral Tanned Leather - General
Chromic Oxide in Leather (Perchloric Acid)
Sulfates in Leather (Total, Neutral, Combined Acid)
Total Chlorides in Leather
Sulfate Basicity in Leather
pH of Leather



PHYSICAL TESTS FOR LEATHER
 
Method Number
E1
E2
E3
E4
E5
E10
E11
E12
E13
E14
E15
E16
E17
E30
E32
E40
E41
E42
E43
E44
E45
E46
E50
E51
E52
E53
E54
E55
E56
E57
E58
E59
E60
E61

E62
E63
E64
 
ASTM Number
D 1610
D 2347
D 1814
D 1813
*
D 4704
D 4831
D 4786
D 4705
D 2207
D 2209
D 2208
D 2211
D 1815
D 5052
*
D 6075
D 1912
*
*
D 2213
D 5053
*
*
D 1611
D 2096
D 2097
D 2098
D 2099
D 1913
D 2210
D 2214
D 2212
D 2322

D 2346
D 2821
D 2941
 
TITLE OF METHOD
Conditioning Leather and Leather Products for Testing
Area of Leather Specimens
Thickness of Leather Units
Thickness of Leather Test Specimens
Width of Leather
Tongue Tear Strength
Buckle Tear Strength
Stitch Tear Strength, Single Hole
Stitch Tear Strength, Double Hole
Bursting Strength of Leather by the Ball Method
Tensile Strength of Leather
Breaking Strength of Leather by the Grab Method
Elongation of Leather
Static Water Absorption of Veg-Tan Leather
Permeability of Leather to Water Vapor
Piping (Coarse Grain Wrinkles in Bent Leather)
Grain Cracking
Cold-Crack resistance of Upholstery Leather
Stiffness (Tinius-Olsen Method)
Staining 4-cloth pad - 70C 1 hour
Compressibility of Leather
Crocking Resistance of Leather
Fire Resistance of Leather
Bond Strength of Leather Belting
Corrosion Produced by Leather in Contact with Metal
Colorfastness and Transfer of Color in the Washing of Leather
Flex Testing of Finish on Upholstery Leather
Water Penetration Resistance (Dow Corning)
Water Penetration Resistance (Maeser)
Resistance to Wetting of Garment-Type Leathers (Spray Test)
Grain Crack and Extension of Leather by the Mullen Test
Slit Tear Resistance of Leather
Thermal Conductivity (Cenco-Fitch)
Resistance of Chrome-Tanned White Shoe Upper Leather to Artificial
perspiration
Apparent Density of Leather
Stiffness of Leather (Torsion Wire Method)
Break Pattern of Leather (Break Scale)
 



BEAMHOUSE LIQUORS

 
Method Number
F1
F3
F5
F10
F20
F21
F30
F35
F40
F50
F51
F52
F60
ASTM Number
*
*
*
*
*
*
*
*
*
*
*
*
*
 
TITLE OF METHOD
Analysis of Beamhouse Soak Waters General
Analysis of Lime Liquors General
Analysis of Bate Waters General
Dry Solids and Ash of Beamhouse Liquors
Total Volatile Nitrogen of Beamhouse Liquors
Total Volatile Amine Nitrogen and Free Ammonia Nitrogen in Soak and Lime Liquors
Free Ammonia and Total Ammonia in Bate Liquors
Total Caustic Alkalinity of Lime Liquors
Calcium in Beamhouse Liquors
Chlorides in Beamhouse Liquors
Sulfides in Beamhouse Liquors
Sulfates in Beamhouse Liquors
pH Values of Beamhouse Liquors
 



TANNERY CHEMICALS
 
Method Number
G1
G2
G3
G4
G5
G6
 
ASTM Number
*
*
*
*
*
*
TITLE OF METHOD
Miscellaneous Tannery Materials General
Miscellaneous Tannery Materials List
Analytical Assay of Egg Yolk
Analytical Assay of Lactic Acid
Analytical Assay of Oxalic Acid
Analytical Assay of Tannery Sugars



OILS, GREASE AND THEIR PRODUCTS
 
Method Number

H1
H2
H3
H4
H5
H6
H7
H8
H10
H15
H16
H17
H18 Pt 1

H18 Pt 2

H20
H21
H22
H23
H30
H31
H32
H40
H41

H42
H43
H44

H45
H46
H47
H48
H49
H50

H51

H52

H53
ASTM Number

*
*
*
*
*
*
*
*
*
D 5355
D 5440
D 5565
D 5551

D 5346

D 5556
D 5557
*
D 5439
D 5555
D 5558
D 5554
D 5348
D 5349

D 5350
D 5351
D 5352

D 5353
D 5354
D 5553
D 5566
D 5564
D 5559

*

D 5562

D 5560
TITLE OF METHOD

Fats and Oils of Animal, Vegetable, and Marine Origin General
Hard Greases General
Moellon General
Compounded Oils General
Sulfonated and Sulfated Oils General
Commercial Soap and Soap Products
Sponging Compounds General
Mineral Oil General
Specification for Reagents and Equipment
Specific Gravity of Oils and Liquid Fats
Melting Point of Normal Animal and Vegetable Fats
Titer Test (Solidification Point of Fatty Acids)
Cloud Point (Temperature of Wax Crystal Formation) in Oils Used in Fatliquors,Softening, and Stuffing Compounds
Pour Point (Lowest Flow Temperature) of Petroleum Oils Used in Fatliquors,Softening, and Stuffing Compounds
Moisture and Volatile Matter in Ordinary Fats, Oils, and Emulsions
Insoluble Impurities in All Normal Fats and Oils
Ash Residue of Fats and Oils
Sediment in Moellon
Free Fatty Acids in Crude and Refined Fats and Oils
Saponification Value of All Normal Fats and Oils
Iodine Value (Wijs Method) of All Normal Fats and Oils Not Containing Conjugated Systems
Moisture Content (By Distillation with Xylene) of Fats and Oils
Moisture and Volatile Matter (By Rapid Hot-Plate Evaporation) of Sulfonated
and/or Sulfated Oils
Titration Test for Organically Combined Sulfuric Anhydride in Sulfated Oils
Extraction-Titration Test for Organically Combined Sulfuric Anhydride in Sulfated Oils
Ash-Gravimetric Test for Organically Combined Sulfuric Anhydride in Sulfonated and/or Sulfated Oils
Total Desulfated Fatty Matter in Sulfated Oils
Total Active Ingredients in Sulfonated and/or Sulfated Oils
Unsaponifiable Nonvolatile Matter in Sulfated Oils
Inorganic Salts in Sulfonated and/or Sulfated Oils
Total Alkalinity and Total Ammonia in Sulfonated and/or Sulfated Oils
Acidity as Free Fatty Acids or Acid Number of Sulfonated and/or Sulfated Oils (Absence of Ammonium or Triethanolamine Soaps)
Acidity as Free Fatty Acids or Acid Number of Sulfonated and/or Sulfated Oils Brine Method - (Presence of Dark Colored Oils But Absence of Ammonium or Triethanolamine Soaps)
Acidity as Free Fatty Acids or Acid Number of Sulfonated and/or Sulfated Oils (Presence of Ammonium or Triethanolamine Soaps)
Neutral Fatty Matter
 



SAMPLING
 
Method Number
J1
J2
J10
J15
J25
J30
J40
J50
 
ASTM Number
D 2813
D 6404
D 2813
D 2813
*
*
*
*
 
TITLE OF METHOD
Sampling Heavy Leather for Physical Tests
Sampling Vegetable Materials Containing Tannin
Sampling of Vegetable-Tanned Leathers
Sampling of Mineral-Tanned Leather for Chemical Tests
Sampling of Beamhouse Liquors
Sampling of Tannery Chemicals
Sampling of Fats and Oils and Their Products
Sampling of Fats and Oils and Their Products
 


LEATHER FINISHES
 
Method Number
K1
K5
K10
K11
K12
ASTM Number
D 4906
D 4907
D 2097
D 6183
D 5552
TITLE OF METHOD
Total Solids and Ash in Leather Finish
Nitrocellulose in Finish on Leather
Flexibility and Adhesion of Finish on Leather
Tackiness of Finish on Leather
Resistance of Colored Leather to Bleeding
 


BIOLOGICAL
 
Method Number
L1
ASTM Number
*
TITLE OF METHOD
Resistance of Leather to the Growth of Fungi


TERMINOLOGY
 
Method Number
X1
ASTM Number
D 1517
TITLE OF METHOD
Standard Terminology Relating to Leather