ASTM-D501:2023 Edition

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D501-03(2023) Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents

Published By	Publication Date	Number of Pages
ASTM	2023

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Categories: 71.100.40 - Surface active agents, ASTM

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Description

ASTM D501-03-Reapproved2023

Active Standard: Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents

ASTM D501

Scope

1.1 These test methods cover procedures for the sampling and chemical analysis of inorganic alkaline detergents.

1.2 The procedures appear in the following order:

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

alkaline builder; borax; caustic soda; detergent; ignition loss; insoluble; particle size; phosphate; silicate; soda ash; turbidity ;

ICS Code

ICS Number Code 71.100.40 (Surface active agents)

DOI: 10.1520/D0501-03R23

Additional information

Trisodium Phosphate Calculated as Na3PO4·12H2O, Na3PO4· H2O, Na3PO4, and as P2O5	65 – 68
Sulfate	135 – 137
Turbidity	129
Sodium Bicarbonate:
Reverse-Flow Ion-Exchange Chromatography (Preferred Method)	108 – 119
Sodium Bicarbonate, Sodium Carbonate, and Free Moisture	42 – 45
Carbon Dioxide (CO2) by the Evolution Method	13 – 16
Matter Volatile at 150 °C to 155 °C	18 and 19
Total Alkalinity as Sodium Carbonate (Na2CO3 )	20 – 22
Borax:
Total Borate and Excess Alkalinity or Acidity	85 – 87
Carbonate as Sodium Carbonate (Na2CO3)	12
Sodium Metasilicate (Na2SiO3·5H2O)	54
Sodium Bicarbonate (NaHCO3) by Potentiometric Titration	26 – 28
Sodium Metasilicate, Sodium Sesquisilicate and Sodium Orthosil- icate:
Paper Chromatographic Method	120 – 127
Temperature Rise	130 – 134
Sodium Sesquisilicate (3Na2O·2SiO2·11H2O)	55
Tetrasodium Pyrophosphate:
Sodium Triphosphate:
Sodium Bicarbonate (NaHCO3) and Sodium Carbonate (Na2CO3)	37 – 39
Alternative Method	98 – 101
Tritratable Na2O	91 – 94
pH of 1 percent Solution	128
Preferred Method	95 – 97
Particle Size	145
Loss on Ignition of Sodium Sesquisilicate (3Na2O·2SiO2 ·11H2O)	58 and 59
Loss on Ignition	82 and 83
pH Titration	102 – 107
Total Alkalinity as Sodium Oxide (Na2O)	69 – 71
Soda Ash:
Ignition Loss	140 and 141
Apparent Density	31 and 32
Trisodium Phosphate:
Orthophosphate	146 – 151
Sodium Hydroxide (NaOH)	9 – 11
Modified Soda (Sequicarbonate Type):
Sodium Bicarbonate (NaHCO3)	23 – 25
Matter Insoluble in Water	142 – 144
Sodium Orthosilicate (Na4SiO4)	60
Total Silica as SiO2	51 – 53
Sampling	90
Tetrasodium Pyrophosphate (Na4P2O7)	75 – 79
Caustic Soda:
Total P2O5:
Trisodium Phosphate (Na3PO4) Content and Phosphorus Pentoxide (P2O5)	62 – 64
Quantitative Separation and Measurement of Various Phosphates:
ICS Codes	71.100.40 - Surface active agents
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