Household and similar purposes drinking water treatment filter
1 Scope
This document specifies the classification, designation, requirements, inspection rules, marking, packaging, transportation, and storage of household and similar purposes drinking water treatment filters (hereinafter referred to as "drinking water treatment filters"), and describes the corresponding test methods.
This document is applicable to the production, inspection, and sale of drinking water treatment filters for household and similar purposes drinking water treatment devices. This document may serve as a reference for filters with water treatment function for other products.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 1019 General requirements for the package of household and similar electrical appliances
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 5121.27 Methods for chemical analysis of copper and copper alloys - Part 27: The inductively coupled plasma atomic emission spectrometric method
GB/T 5121.28 Methods for chemical analysis of copper and copper alloys - Part 28: Determination of chromium, iron, manganese, cobalt, nickel, zinc, arsenic, selenium, silver, cadmium, tin, antimony, tellurium, lead and bismuth content - Inductively coupled plasma-mass spectrometry
GB 5749 Standards for drinking water quality
GB/T 5750 (all parts) Standard examination methods for drinking water
GB/T 6040 General rules for infrared analysis
GB/T 6682 Water for analytical laboratory use - Specification and test methods
GB/T 7999 Optical emission spectrometric analysis method of aluminum and aluminum alloys
GB 8538 National food safety standard - Methods for examination of natural mineral drinking water
GB/T 11170 Stainless steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 17218 Hygienic safety evaluation for chemicals used in drinking water treatment
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 20103-2006 Technical terms for membrane separation
GB/T 20197 Define, classify, marking and degradability requirement of degradable plastic
GB/T 12496.1 Test methods of wooden activated carbon - Determination of apparent density
GB/T 12496.8 Test methods of wooden activated carbon - Determination of iodine number
GB/T 12496.10 Test methods of wooden activated carbon - Determination of methylene blue adsorption
GB/T 19466.1 Plastics - Differential scanning calorimetry (DSC) - Part 1: General principles
GB/T 19466.2 Plastics - Differential scanning calorimetry (DSC) - Part 2: Determination of glass transition temperature
GB/T 19466.3 Plastics - Differential scanning calorimetry (DSC) - Part 3: Determination of temperature and enthalpy of melting and crystallization
GB 21551.2 Antibacterial and cleaning function for household and similar electrical appliances - Particular requirements of material
GB/T 24127 Testing method for determining algal resistance of plastics
GB/T 24234 Cast iron - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 26042 Methods for analysis of zinc and zinc alloys - The optical emission spectrometry
GB/T 30307-2023 Household and similar drinking water treatment units
GB 31604.10 National food safety standard - Food contact materials and articles - Determination of migration of 2,2-bis (4-hydroxyphenyl) propane (bisphenol A)
GB 34914 Minimum allowable value of water efficiency and water efficiency grades for water purifier
GB/T 39560.1 Determination of certain substances in electrical and electronic products - Part 1: Introduction and overview
GB/T 39560.2 Determination of certain substances in electrical and electronic products - Part 2: Disassembly, disjointment and mechanical sample preparation
GB/T 39560.301 Determination of certain substances in electrical and electronic products - Part 3-1: Screening lead, mercury, cadmium, total chromium and total bromine by X-ray fluorescence spectrometry
GB/T 39560.4 Determination of certain substances in electrical and electronic products - Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS, ICP-OES and ICP-MS
GB/T 39560.5 Determination of certain substances in electrical and electronic products - Part 5: Cadmium, lead and chromium in polymers and electronics and cadmium and lead in metals by AAS, AFS, ICP-OES and ICP-MS
GB/T 39560.6 Determination of certain substances in electrical and electronic products - Part 6: Polybrominated biphenyls and polybrominated diphenyl ethers in polymers by gas chromatography-mass spectrometry (GC-MS)
GB/T 39560.701 Determination of certain substances in electrical and electronic products - Part 7-1: Hexavalent chromium - Presence of hexavalent chromium [Cr (VI)] in colorless and colored corrosion-protected coatings on metals by the colorimetric method
GB/T 39560.702 Determination of certain substances in electrical and electronic products - Part 7-2: Hexavalent chrome - Determination of hexavalent chrome [Cr (VI)] in polymers and electronics by the colormetric method
ISO 11358-1 Plastics - Thermogravimetry (TG) of polymers - Part1: General principles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 20103-2006 and GB/T 30307-2023 and the following apply.
3.1
drinking water treatment filter
water treatment component composed of one or more filter mediums and filter materials, and adopting water treatment technologies such as filtration, adsorption, ion exchange, electrodialysis, and mineralization to improve water quality
3.2
reverse osmosis (membrane) filter
drinking water treatment filter using the reverse osmosis membrane to filter raw water (3.1)
3.3
nanofiltration (membrane) filter
drinking water treatment filter using the nanofiltration membrane to filter raw water (3.1)
3.4
ultrafiltration (membrane) filter
drinking water treatment filter using the ultrafiltration membrane to filter raw water (3.1)
3.5
microfiltration (membrane) filler
drinking water treatment filter using the microfiltration membrane to filter raw water (3.1)
3.19
purified water flow rate
nominal water yield per unit time of the manufacturer under specified operating conditions
Note: The unit is L/h, L/min, or m3/h.
[Source: GB/T 30307-2023, 3.12, modified]
3.20
total production capacity
amount of water treated by the drinking water treatment filter specified by the manufacturer
[Source: GB/T 30307-2023, 3.13, modified]
3.21
total mineralization capacity
amount of water treated by the mineralization filter specified by the manufacturer
3.22
purified water production rate
ratio of the total purified water to the total inflow water after purification by the water treatment system under the test conditions specified in the document
[Source: GB 34914-2021, 3.5, modified]
3.23
selective performance
function or effect specified by the manufacturer of the drinking water treatment filter to users based on the water treatment process it uses
[Source: GB/T 30307-2023, 3.17, modified]
3.24
purification efficiency
η
lowest purification capacity of the drinking water treatment filter for a specific substance in the raw water under whole course addition
Note: It is expressed as a percentage.
[Source: GB/T 30307-2023, 3.19, modified]
3.25
anti-scale rate
ability to prevent or reduce the formation of scale in a waterway system using physical or chemical methods
Note: It is expressed as a percentage.
3.26
traceability system
system from which information and data are desired in order to ensure the consistency of products and their components in the whole or part of the production and use chains
4 Classification and designation
4.1 Classification
Drinking water treatment filters may be classified according to the following regulations:
a) Classified according to water treatment technologies, as shown in Table 1.
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A
(Nominative)
List of traceability test components
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Nominative) List of traceability test components
Annex B (Normative) Preparation method of test water
Annex C (Normative) Purification efficiency test device
Annex D (Informative) Preparation of spiked sample solution
Annex E (Nominative) Test method for antibacterial performance
Annex F (Nominative) Test method for purified water production rate
Annex G (Nominative) Test method for anti-scale rate of anti-scaling filters
Annex H (Nominative) Test method for efficiency of inteneration of ion exchange filters
Annex I (Normative) Test method for traceability
Bibliography
