RCT and RCTW
RCT and RCTW
RCT and RCTW is a portable kit to accurate and immediate determination of chloride ion content in concrete powder samples.
Rapid Chloride Content Test.
A powder sample is obtained from hardened concrete by drilling or grinding (Profile Grinder) or obtained from the fresh concrete. The sample is mixed with a specific amount of extraction liquid that is designed to remove disturbing ions, such as sulfide ions, and to extract the chloride ions in the sample. After 5 minutes, a chloride ion selective electrode is submerged into the solution to determine the amount of chloride ion by means of a calibrated chart, which is expressed as percentage of concrete mass.
Two methods can be used: The RCT (Rapid Chloride Test) is used to determine the amount of acid-soluble chlorides. The RCTW (Rapid Chloride Test Water) is used to determine the amount of water-soluble chlorides.
Rapid Chloride Content Test.
The test results can be used for:
- Establishing the chloride ion profile for service life estimation
- Establishing the depth of removal of a chloride ion contaminated surface layer
- Diagnosing a structure for corrosion activity, in combination with other test systems such the Mini Great Dane, the GalvaPulse and the Deep Purple or Rainbow Indicators
- Monitoring the chloride ion content during electrochemical removal of chlorides
- Measuring the chloride ion content of fresh concrete or its constituents.
Rapid Chloride Content Test.
- Input Impedance: 1,012 Ohm
- Battery Type / Life: 1 x 9V / approx. 150 hours
- Auto-off after 20 minutes of non-use
- Environment: 0 to 50°C; RH max 95%
- Temperature and pH measuring capacity (pH electrode and temperature probe are sold separately)
RCT-500 Kit Ordering Numbers
Item | Order # |
RCT chloride selective electrode | RCT-770 |
Electrometer for mV, pH and ºC | RCT-990 |
Electrode wetting agent, 80 mL, with spout | RCT-1000 |
Distilled water, spray bottle | RCT-1001 |
Polishing strips for electrode | RCT-1002 |
Plastic bags for powder sampling | RCT-1003 |
Powder collecting bowl | RCT-1004 |
Powder collecting pan, circular | RCT-1005 |
Powder collecting square w. clip | RCT-1006 |
Adjustable pliers | RCT-1007 |
Set of anchoring tools | RCT-1008 |
Mandrel | RCT-1009 |
Hammer | RCT-1010 |
Powder compression pin | RCT-1011 |
Powder weighing ampoules, 6 pcs | RCT-1012 |
Digital pocket balance, 115 x 0.01 g | RCT-2700 |
Item | Order # |
Calibration liquid, 0.005 % Cl− | RCT-1013 |
Calibration liquid, 0.020 % Cl− | RCT-1014 |
Calibration liquid, 0.050 % Cl− | RCT-1015 |
Calibration liquid, 0.500 % Cl− | RCT-1016 |
Cleaning tissues | RCT-1017 |
Calibration sheets for hardened concrete | RCT-1018 |
Calibration sheets for fresh concrete | RCT-1019 |
Rubber ball dust remover | RCT-1020 |
Pencil and ruler | RCT-1021 |
Measuring tape | RCT-1022 |
Extraction vials, hardened concrete, 10 pcs | RCT-1023 |
Manual | RCT-1024 |
RCT testing cases and applications, binder | RCT-1025 |
Attaché case | RCT-1026 |
Extra Parts
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Consumables
Extraction liquids for RCT testing for acid-soluble chlorides in hardened concrete or fresh concrete:
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Extraction liquids for RCTW testing for water-soluble chlorides in hardened concrete or fresh concrete:
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Optional Items
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• Range: 0.0 to 12.0 pH | • Range: -20.0 to 120.0°C / -4.0 to 248.0°F |
 *According to ENV- 197-1 |
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- AASHTO T 260: “Standard Method of Test for Sampling and Testing for Chloride Ion in Concrete and Concrete Raw Materials”
- ASTM C114: “Standard Test Methods for Chemical Analysis of Hydraulic Cement”
- ASTM C1152: Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete
- ASTM C1218: Standard Test Method for Water-Soluble Chloride in Mortar and Concrete
- EN 14629: “Products and systems for protection and repair of concrete structures – Test methods – Determination of chloride content in cured concrete”