BS EN 1203:2005 pdf free.Chemicals used for treatment of water intended for human consumption — Tripotassium orthophosphate.
BS EN 1203 This document is applicable to tripotassium orthophosphate used for treatment of water intended for humanconsumption. lt describes the characteristics and specifies the requirements and the corresponding test methodsfor tripotassium orthophosphate. It gives information on its use in water treatment. It also determines the rulesrelating to safe handling and use (see annex B).
The following referenced documents are indispensable for the application of this document. For dated references,only the edition cited applies. For undated references, the latest edition of the referenced document (including anyamendments) applies.
EN 1483,Water quality-Determination of mercury.
EN ISO 3696, Water for analytical laboratory use – Specification and test methods (ISO 3696:1987).
EN ISO 5961, Water quality – Determination of cadmium by atomic absorption spectrometry (IS0 5961:1994).EN ISO 11885, Water quality – Determination of 33 elements by inductively coupled plasma atomic emissiospectroscopy (lsO 11885:1996).
EN ISO 11969, Water quality – Determination of arsenic-Atomic absorption spectrometric method (hydridetechnique) (lSO 11969:1996).
ISO 2997, Phosphoric acid for industrial use -Determination of sulfate content – Method by reduction and titrimetrISO 3165,Sampling of chemical products for industrial use – Safety in sampling.
ISO 3360，Phosphoric acid and sodium phosphates for industrial use (including foodstuffs) – Determination offluorine content – Alizarin complexone and lanthanum nitrate photometric method.
ISo 6206, Chemical products for industrial use – Sampling – Vocabulary.
This document specifies the minimum purity requirements for tripotassium orthophosphate used for the treatmentof water intended for human consumption. Limits are given for impurities commonly present in the product.Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shalbe notified to the user and when necessary to relevant authorities.
NOTE Users of this product should check the national regulations in order to clarify whether it is of appropriate purity fortreatment of water intended for human consumption， taking into account raw water quality.
required dosage,contents of other impurities and additives used in the products not stated in this document.
Limits have been given for impurities and chemical parameters where these are likely to be present in significantquantities from the current production process and raw materials. f the production process or raw materials lead tosignificant quantities of impurities, by-products or additives being present, this shall be notified to the user.BS EN 1203 pdf download.