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E31.2 E32.2

Chemical Reactivity

Magnesium Sulphate / Sodium Sulphate Test Water BathUTA-0840

 UTA-0840

When aggregates have been exposed to weathering action such as thawing circles and freezing, the Magnesium Sulphate and Sodium Sulphate Tests can be used to determine the soundness of these aggregates. Only the specific products are listed above. Please note that other equipment such as ovens, sieves, balances etc. are also required to perform these tests.

Sodium Sulphate can be used instead of Magnesium Sulphate according to the ASTM standard. When using Sodium Sulphate for testing, the UTGG-2415 Hydrometer 110-1200 g/ml is required. (The temperature of test solution that is in the dipping chamber produced of stainless steel, can be automatically adjusted to the required temperature with the heating and cooling system provided by the UTA-0840.) The water circulation pump makes feedback and can provide homogeneous temperature distribution.

The Magnesium Sulphate / Sodium Sulphate Test Water Bath can be used as a general purpose water bath when the dipping cabinet is removed from its place.

Alkali Aggregate Reaction BathUTA-0880 Alkali-Reaction-Bath

UTA-0880

The Alkali Aggregate Reaction Bath is used to keep 25x25x285 mm samples in NaOH (Sodium Hydroxide) or in any other solution at a specified temperature.  The system has a digital temperature controller with 1°C accuracy. The temperate can be regulated between ambient to 100°C by using this controller.

The temperature can also be monitored by placing an external 1°C accuracy PT 100 sensor in the water.  The bath is made from stainless steel and has a glass cover and a chamber with a capacity of holding 36 samples. The chamber also has a cover made of stainless steel. A special rack made of polyamide allows the samples to be placed separately from one another, in a vertical position. By removing the special rack, the UTA-0880 Aggregate Reaction Bath can also be used as a general purpose water bath. When the water level is too low, the electronic water level indicator will sound an alarm.

 

Additional Information

Chemical Reactivity Brochure

VIC:

Melbourne

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t (03) 9938 3830

m 0428 315 502

NSW:

Sydney

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t (02) 9986 1857

m 0418 381 709

QLD:

Brisbane

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t (07) 3040 6166

m 0419 477 715

WA:

Perth (Head Office)

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t (08) 9322 4020

m 0408 034 668

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