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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 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 1.3 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.

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Published: 07/01/2023 Number of Pages: 27 File Size: 1 file , 680 KB Note: This product is unavailable in Russia, Ukraine, Belarus