ASTM D501-03(2023)

Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents

ASTM International , 07/01/2023

Publisher: ASTM

File Format: PDF

$41.00$82.00

Description

Standard By:ASTM International , 07/01/2023

Published:07/01/2023

Pages:27

File Size:1 file , 680 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

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

1.2The procedures appear in the following order:

Sections Caustic Soda: Sampling 5 Total Alkalinity as Sodium Oxide (Na₂O) 6 - 8 Sodium Hydroxide (NaOH) 9 - 11 Carbonate as Sodium Carbonate (Na₂CO₃) 12 Carbon Dioxide (CO₂) by the Evolution Method 13 - 16 Soda Ash: Sampling 17 Matter Volatile at 150 °C to 155 °C 18 and 19 Total Alkalinity as Sodium Carbonate (Na₂CO₃) 20 - 22 Sodium Bicarbonate (NaHCO₃) 23 - 25 Sodium Bicarbonate (NaHCO₃) by Potentiometric Titration 26 - 28 Matter Insoluble in Water 29 and 30 Apparent Density 31 and 32 Modified Soda (Sequicarbonate Type): Sampling 33 Total Alkalinity as Sodium Oxide (Na₂O) 34 - 36 Sodium Bicarbonate (NaHCO₃) and Sodium Carbonate (Na₂CO₃) 37 - 39 Matter Insoluble in Water 40 Sodium Bicarbonate: Sampling 41 Sodium Bicarbonate, Sodium Carbonate, and Free Moisture 42 - 45 Matter Insoluble in Water 46 Sodium Metasilicate, Sodium Sesquisilicate and Sodium Orthosil- icate: Sampling 47 Total Alkalinity as Sodium Oxide (Na₂O) 48 - 50 Total Silica as SiO₂ 51 - 53 Sodium Metasilicate (Na₂SiO₃·5H₂O) 54 Sodium Sesquisilicate (3Na₂O·2SiO₂·11H₂O) 55 Matter Insoluble in Water 56 and 57 Loss on Ignition of Sodium Sesquisilicate (3Na₂O·2SiO₂ ·11H₂O) 58 and 59 Sodium Orthosilicate (Na₄SiO₄) 60 Trisodium Phosphate: Sampling 61 Trisodium Phosphate (Na₃PO₄) Content and Phosphorus Pentoxide (P₂O₅) 62 - 64 Trisodium Phosphate Calculated as Na₃PO₄·12H₂O, Na₃PO₄· H₂O, Na₃PO₄, and as P₂O₅ 65 - 68 Total Alkalinity as Sodium Oxide (Na₂O) 69 - 71 Matter Insoluble in Water 72 and 73 Tetrasodium Pyrophosphate: Sampling 74 Tetrasodium Pyrophosphate (Na₄P₂O₇) 75 - 79 Matter Insoluble in Water 80 and 81 Loss on Ignition 82 and 83 Borax: Sampling 84 Total Borate and Excess Alkalinity or Acidity 85 - 87 Matter Insoluble in Water 88 and 89 Sodium Triphosphate: Sampling 90 Tritratable Na₂O 91 - 94 Total P₂O₅: Preferred Method 95 - 97 Alternative Method 98 - 101 pH Titration 102 - 107 Quantitative Separation and Measurement of Various Phosphates: Reverse-Flow Ion-Exchange Chromatography (Preferred Method) 108 - 119 Paper Chromatographic Method 120 - 127 pH of 1 percent Solution 128 Turbidity 129 Temperature Rise 130 - 134 Sulfate 135 - 137 Ignition Loss 140 and 141 Matter Insoluble in Water 142 - 144 Particle Size 145 Orthophosphate 146 - 151

1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4This 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.

1.5This 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.