ASTM D501-03

Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents

ASTM International, 10/01/2003

Publisher: ASTM

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Published:01/10/2003

Pages:26

File Size:1 file , 260 KB

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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:

Orthophosphate

	Sections
Caustic Soda:
Sampling
Total Alkalinity as Sodium Oxide (Na 2 O)
Sodium Hydroxide (NaOH)
Carbonate as Sodium Carbonate (Na 2 CO 3 )
Carbon Dioxide (CO 2 ) by the Evolution Method
Soda Ash:
Sampling
Matter Volatile at 150 to 155C
Total Alkalinity as Sodium Carbonate (Na 2 CO 3 )
Sodium Bicarbonate (NaHCO 3 )
Sodium Bicarbonate (NaHCO 3 ) by Potentiometric Titration
Matter Insoluble in Water
Apparent Density
Modified Soda (Sequicarbonate Type):
Sampling
Total Alkalinity as Sodium Oxide (Na 2 O)
Sodium Bicarbonate (NaHCO 3 ) and Sodium Carbonate (Na 2 CO 3 )
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 2 O)
Total Silica as SiO 2
Sodium Metasilicate (Na 2 SiO 3 5H 2 O)
Sodium Sesquisilicate (3Na 2 O2SiO 2 11H 2 O)
Matter Insoluble in Water
Loss on Ignition of Sodium Sesquisilicate (3Na 2 O2SiO 2 11H 2 O)
Sodium Orthosilicate (Na 4 SiO 4 )
Trisodium Phosphate:
Sampling
Trisodium Phosphate (Na 3 PO 4 ) Content and Phosphorus Pentoxide (P 2 O 5 )
Trisodium Phosphate Calculated as Na 3 PO 4 12H 2 O, Na 3 PO 4 H 2 O, Na 3 PO 4 , and as P 2 O 5
Total Alkalinity as Sodium Oxide (Na 2 O)
Matter Insoluble in Water
Tetrasodium Pyrophosphate:
Sampling
Tetrasodium Pyrophosphate(Na 4 P 2 O 7 )
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 2 O
Total P 2 O 5 :
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.

ASTM D501-03

Standard Test Methods of Sampling and Chemical Analysis of Alkaline Detergents

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