Type of Sample / Test | Test Description | Standard | HOKLAS Accreditation |
Admixture | Ash content of liquid admixture | BS 5075 : Part 1 : 1982 (Amd.4910) App.D2 | Yes |
Admixture | Dry material content | BS 5075 : Part 1 : 1982 (Amd.4910) App.D1 | Yes |
Admixture | Conventional dry material content of liquid admixture | BS EN 480-8 : 2012 | Yes |
Admixture | pH of liquid admixture | ISO 4316 : 1977(E) | Yes |
Admixture | Relative density of liquid admixture | BS 5075 : Part 1 : 1982 (Amd. 4910) App. D.3 | Yes |
Admixture | Density of liquid admixture | ISO 758 : 1976 | Yes |
Admixture | Chloride ion content of liquid admixture | BS 5075 : Part 1 : 1982 (Amd. 4910) App. E | Yes |
Admixture | Acid soluble alkali content of liquid admixture (equivalent Na 2 O) (i.e. Potassium & Sodium Oxide Content) | BS EN 480-12 : 2005 (Flame photometer) | Yes |
Aggregate | Water soluble chloride salts | BS 812 : Part 117: 1988 Excluding Cl. 4 BS EN 1744 : Part 1 : 2009 Cl.7 Excluding 7.2 | Yes |
Aggregate | Total sulphate content by acid extraction | BS 812 : Part 118 : 1998 Cl.6 Excluding Cl. 4 | Yes |
Aggregate | Water soluble chloride ion content | CS3 : 2013 Section 21.3 | Yes |
Aggregate | Acid soluble chloride ion content | CS3 : 2013 Section 21.4 | Yes |
Aggregate | Acid soluble sulphate content | CS3 : 2013 Section 21.5 | Yes |
Aggregate | Total sulphur content | CS3 : 2013 Section 21.6 | Yes |
Aggregate | Presence of humus | CS3 : 2013 Section 21.7 | Yes |
Cement | Chloride content (Clˉ) | BS EN 196-2 : 2013 Cl. 4. 5.16 | Yes |
Cement | Residue insoluble in hydrochloric acid and sodium carbonate | BS EN 196 2: 2013 Cl. 4.4.3 | Yes |
Cement | Loss on ignition (L.O.I.) | BS EN 196 2: 2013 Cl. 4.4.1 | Yes |
Cement | Sulfate content (as SO3) | BS EN 196 2: 2013 Cl. 4.4.2 | Yes |
Cement | Acid soluble alkali content | BS EN 196 2: 2013 Cl. 4.5.19 (Reference method) | Yes |
Concrete | Chloride content | CS1 : 2010 Section 21.10.2 | Yes |
Concrete | Cement and aggregate content (by CaO determination) | CS1: 2010 Section 21.6.4, 21.6.6 & 21.6.7 | Yes |
Concrete | Sulphate content | CS1: 2010 Section 21.10.3 | Yes |
Concrete (Hardened) | Chloride content | BS EN 14629: 2007 Cl. 4.3.4.1 (method A) | Yes |
PFA | Loss on ignition (L.O.I.) | BS EN 196-2: 2013 Cl. 4.4.1 (using 1h ignition) | Yes |
PFA | Sulfate content (as SO3) | BS EN 196-2: 2013 Cl. 4.4.2 | Yes |
PFA | Chloride content (Clˉ) | BS EN 196 2: 2013 Cl. 4.5.16 | Yes |
PFA | Acid soluble alkali content | BS EN 196 2: 2013 Cl. 4.5.19 (Reference method) | Yes |
Water | Total alkalinity APHA 23e | APHA 23e 2320B | Yes |
Water | Chloride content | BS EN 1008 : 2002 Cl. 6.1.3 & BS EN 196-21 : 1992 Cl. 4 | Yes |
Water | Sulfate content | BS EN 1008 : 2002 Cl. 6.1.3 & BS EN 196-2 : 2013 Cl. 4.4.2 | Yes |
Water | Acid soluble alkali content (equivalent Na 2 O) | BS EN 1008 : 2002 Cl. 6.1.3 & BS EN 196-21 : 1992 Cl. 7 | Yes |
Water | Total dissolved solids content | BS 1377 3 : 1990 C l. 8 | Yes |
Water | pH value | BS 1377 3 : 1990 Cl. 9 | Yes |