Historical
ASTM D501-03
Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents
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:
| Sections | |
| Caustic Soda: | |
| Sampling | |
| Total Alkalinity as Sodium Oxide (Na | |
| Sodium Hydroxide (NaOH) | |
| Carbonate as Sodium Carbonate (Na | |
| Carbon Dioxide (CO | |
| Soda Ash: | |
| Sampling | |
| Matter Volatile at 150 to 155C | |
| Total Alkalinity as Sodium Carbonate (Na | |
| Sodium Bicarbonate (NaHCO | |
| Sodium Bicarbonate (NaHCO | |
| Matter Insoluble in Water | |
| Apparent Density | |
| Modified Soda (Sequicarbonate Type): | |
| Sampling | |
| Total Alkalinity as Sodium Oxide (Na | |
| Sodium Bicarbonate (NaHCO | |
| Matter Insoluble in Water | |
| Sodium Bicarbonate: | |
| Sampling | |
| Sodium Bicarbonate, Sodium Carbonate, and Free Moisture | |
| Matter Insoluble in Water | |
| Sodium Metasilicate, Sodium Sesquisilicate and Sodium Orthosil- icate: | |
| Sampling | |
| Total Alkalinity as Sodium Oxide (Na | |
| Total Silica as SiO | |
| Sodium Metasilicate (Na | |
| Sodium Sesquisilicate (3Na | |
| Matter Insoluble in Water | |
| Loss on Ignition of Sodium Sesquisilicate (3Na | |
| Sodium Orthosilicate (Na | |
| Trisodium Phosphate: | |
| Sampling | |
| Trisodium Phosphate (Na | |
| Trisodium Phosphate Calculated as Na | |
| Total Alkalinity as Sodium Oxide (Na | |
| Matter Insoluble in Water | |
| Tetrasodium Pyrophosphate: | |
| Sampling | |
| Tetrasodium Pyrophosphate(Na | |
| Matter Insoluble in Water | |
| Loss on Ignition | |
| Borax: | |
| Sampling | |
| Total Borate and Excess Alkalinity or Acidity | |
| Matter Insoluble in Water | |
| Sodium Triphosphate: | |
| Sampling | |
| Tritratable Na | |
| Total P | |
| Preferred Method | |
| Alternative Method | |
| pH Titration | |
| Quantitative Separation and Measurement of Various Phosphates: | |
| Reverse-Flow Ion-Exchange Chromatography (Preferred Method) | |
| Paper Chromatographic Method | |
| pH of 1 percent Solution | |
| Turbidity | |
| Temperature Rise | |
| Sulfate | |
| Ignition Loss | |
| Matter Insoluble in Water | |
| Particle Size | |
1.3 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 useMaterial Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.
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ASTM International [astm]
