BS EN 16811-1:2016
$189.07
Winter service equipment and products. De-icing agents – Sodium chloride. Requirements and test methods
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 48 |
This European Standard specifies the essential requirements of sodium chloride (salt) for spreading on roads for winter maintenance and includes tests of these requirements. The requirements are specified for salt in crystallized form and for salt in solution (brine), which is delivered to the customer.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | European foreword |
| 7 | Introduction |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms and definitions 4 Requirements for sodium chloride 4.1 Chemical Requirements Table 1 — Chemical requirements for sodium chloride 4.2 Moisture |
| 10 | Table 2 — Moisture limits for sodium chloride 4.3 Sieve analysis Table 3 — Sieve analysis for sodium chloride 4.4 General requirements |
| 11 | Table 4 — General requirements for sodium chloride 4.5 Marking and product description |
| 12 | 5 Requirements for brine 5.1 Chemical Requirements Table 5 — Chemical requirements for brine 5.2 General requirements |
| 13 | Table 6 — General requirements for brine 5.3 Marking and product description |
| 14 | 6 Sampling 7 Test methods 7.1 General 7.2 NaCl 7.2.1 General 7.2.2 Direct method 7.2.3 Indirect method 7.3 Sulfate 7.4 Moisture |
| 15 | 7.5 Sieve analysis 7.6 Anti-caking agent 7.7 Heavy metals, etc 7.8 Hydrocarbons 7.9 TOC (total organic carbon) 7.10 pH 7.11 Water insoluble matter 7.12 Bulk density 7.13 Density |
| 16 | Annex A (normative) Product descriptions A.1 Product description for sodium chloride |
| 19 | A.2 Product description for brine |
| 21 | Annex B (normative) Sampling B.1 Solid sodium chloride B.1.1 Package shipments B.1.2 Bulk shipments B.2 Brine B.3 Labelling and distribution of samples B.4 Sampling report |
| 23 | Annex C (normative) Analytical methods C.1 Determination of sodium chloride (potentiometric method) C.1.1 Scope and field of application C.1.2 Principle C.1.3 Reagents |
| 24 | C.1.4 Apparatus Table C.1 — Conditions for titration C.1.5 Sampling and samples C.1.6 Procedure C.1.6.1 Test portion C.1.6.2 Test solution C.1.6.3 Determination C.1.6.3.1 Apparatus setting |
| 25 | C.1.6.3.2 Measurement C.1.7 Expression of results C.1.7.1 Method of calculation C.1.7.2 Repeatability and reproducibility (informative) |
| 26 | Table C.2 — Repeatability and reproducibility C.2 Determination of aluminium, arsenic, cadmium, calcium, chromium, cobalt, copper, lead, magnesium, nickel, sulfate, zinc (inductively coupled plasma optical emission spectrometry (ICP/OES)) C.2.1 General Table C.3 — Limit of detection (LOD) |
| 27 | C.2.2 Principle C.2.3 Reagents C.2.4 Apparatus (informative) |
| 28 | Table C.4 — Typical operating conditions for most ICP spectrometers0F ) C.2.5 Sampling and samples C.2.6 Procedure C.2.6.1 Test portion C.2.6.2 Test sample solution C.2.6.3 Calibration and verification solutions (informative) |
| 29 | Table C.5 — Calibration solutions C.2.6.4 Determination C.2.6.4.1 Settings of the apparatus (informative) |
| 30 | Table C.6 — Typical wavelength per element C.2.6.4.2 Spectrometric measurements |
| 31 | C.2.7 Expression of results C.2.7.1 Evaluation C.2.7.2 Calculation |
| 32 | Table C.7 — Report of results C.2.7.3 Repeatability and reproducibility (informative) Table C.8 — Repeatability and reproducibility |
| 34 | C.2.8 Remarks C.3 Determination of total mercury (cold vapour atomic absorption spectrometry) C.3.1 General |
| 35 | C.3.2 Principle C.3.3 Reagents |
| 36 | C.3.4 Apparatus (informative) |
| 37 | C.3.5 Procedure C.3.5.1 Test portion C.3.5.2 Test solution C.3.5.3 Blank test solution C.3.5.4 Calibration solutions (informative) Table C.9 — Calibration solutions for mercury C.3.5.5 Determination C.3.5.5.1 Mineralization |
| 38 | C.3.5.5.2 Preparation of the apparatus C.3.5.5.3 Spectrometric measurements C.3.5.5.4 Calibration curve C.3.6 Expression of results C.3.6.1 Calculation |
| 39 | C.3.6.2 Repeatability and reproducibility (informative) Table C.10 — Repeatability and reproducibility |
| 40 | Figure C.1 — Determination of mercury by atomic absorption spectrometry – Typical apparatus C.4 Determination of anti-caking agent (molecular absorption spectrometry) C.4.1 General |
| 41 | C.4.2 Principle C.4.3 Reagents C.4.3.1 Sodium chloride, ferrocyanide-free. C.4.3.2 Sulphuric acid, c(H2SO4) approximately 0,5 mol/l. C.4.3.3 Potassium hydroxide solution, c(KOH) approximately 0,05 mol/l. C.4.3.4 Fe(II) – Fe(III) solution: C.4.3.5 Potassium hexacyanoferrate (II) stock solution I, c(K4[Fe(CN)6]・3H20) = 1,000 g/l. C.4.3.6 Potassium hexacyanoferrate (II) stock solution II, c(K4[Fe(CN)6]・3H20) = 50,0 mg/l. C.4.4 Apparatus C.4.4.1 Spectrophotometer, or C.4.4.2 Photocolourimeter, fitted with a filter ensuring maximum transmission between 690 nm and 710 nm. |
| 42 | C.4.4.3 Membrane filter about 50 mm diameter, 0,3 μm maximum porosity C.4.5 Sampling and samples C.4.6 Procedure C.4.6.1 Test portion C.4.6.2 Test solution C.4.6.3 Blank test solution C.4.6.4 Calibration C.4.6.4.1 Calibration solutions (informative) Table C.11 — Calibration solutions C.4.6.4.2 Colour development C.4.6.4.3 Photometric measurements |
| 43 | C.4.6.4.4 Calibration curve C.4.6.5 Determination C.4.6.5.1 Direct method C.4.6.5.2 Filtration method C.4.6.5.3 Photometric measurements C.4.7 Expression of results C.4.7.1 Evaluation |
| 44 | C.4.7.2 Repeatability and reproducibility (informative) Table C.12 — Repeatability and reproducibility |
| 45 | Bibliography |
