Sulfate - Wikipedia

The barium derivative is useful in the gravimetric analysis of sulfate: if one adds a solution of most barium salts, for instance barium chloride, to a solution containing sulfate ions, barium sulfate will precipitate out of solution as a whitish powder. This is a common laboratory test to determine if sulfate anions are present.

Sulfate Test colorimetric, 200-1600 mg/L (SO42-), MQuant

The sulfate test can be used to give a rapid estimation of the sulphate ion content of drinking and industrial water, as well as of effluent discharged, for instance, from electroplating works and leather goods manufacturers.

Sulfate content of concrete | Nicholls-Colton

Testing can be carried out on concrete dust or lump/core samples, the result being expressed as the percentage sulfate by mass of cement in a sample, industry standards recommending a limit of 4.0% for this value.

DETERMINATION OF SOLUBLE SULPHATE CONTENT IN SOIL (IS

05/07 · Take the soil sample in a state in which it can be crumbled. If necessary, dry it in oven at 105 0 C to 110 0 C. Break the lumps in a mortar with a rubber covered pebble. Mix the sample thoroughly and sub-divide it by quartering. Take 10 g of soil from the sample in a

PDF IS 3025 (Part 24): Method of Sampling and Test (Physical

IS : 3026 (Part 24 )-1986 3.6.7 Stocle sulphate solution (100 mgll ,ScYi) - Dissolve 1.479 9 anhydrous sodium sulphate (Ns2SO . .) (dried at 110°C for 1 hour) in distilled water and make up to 1 litre in volumetric flask. 3.6.8 Standard sulphate solution - Prepare a series of· standard solutions by diluting stock solution of sulphate with distilled water.

DETERMINING SULFATE CONTENT IN SOILS — COLORIMETRIC METHOD

Test Procedure for DETERMINING SULFATE CONTENT IN SOILS — COLORIMETRIC METHOD TxDOT Designation: Tex-145-E Effective Date: February 2005 1. SCOPE 1.1 This method determines the soluble sulfate content of soil by using turbidimetric techniques. 1.2 The values given in parentheses (if provided) are not standard and may not be exact

Determination of sulfate content in OPC and CSA cement by

Mar 08, · The penetration of sulfate ions into the concrete often causes durability problems such as spalling, cracking, and strength loss. Traditional methods for sulfates content test in cement-based materials, a large number of toxic and high-risk chemical reagents such as hydrochloric acid, barium chloride, barium chromate are used.

Sulphate Attack on Concrete - Process and Control of

Sulphate attack on concrete is a chemical breakdown mechanism where sulphate ions attack components of the cement paste. The compounds responsible for sulphate attack on concrete are water-soluble sulphate-containing salts, such as alkali-earth (calcium, magnesium) and alkali (sodium, potassium) sulphates

METHOD OF TESTING SOILS, CONCRETE PATCHING MATERIALS AND

California Test 417 June - 3 - PART 2. SULFATE CONTENT OF SOILS 2A. SCOPE This method describes the test procedure for determination of the water-soluble sulfate content of soils. 2B. REAGENTS AND MATERIALS Refer to Part 1, Section B for these items. 2C. EQUIPMENT Refer to Part 1, Section C for analytical instrument and equipment. 2D. TEST

QUANTAB CHLORIDE AND SULFATE CONTENT INSTANT TEST STRIPS

Type 1176 titration range 0.05% to 0.1% (300 to 6000ppm) NaCl. Pack of 40. A qualitative or semi-quantitative test is recommended for determining sulfate ions in aqueous solutions. Sulfate test strips are convenient measuring devices for sulfate content. AG 0109 Sulfate Test Strips detection range 200 to 900 mg/l. Pack of 100.

IS 3025 (Part 24): Method of Sampling and Test (Physical

3.1 Scope and Application - This method is applicable to surface and groundwaters with sulphate concentration in the range 5 to 150 mg/I. Samples having higher concentrations can be measured by appropriate dilution of sample. 3.2 Principle and Theory - Sulphate ion is titrated in an alcoholic solution under controlled acid