YS/T 1568-2022 PDF in English
YS/T 1568-2022 (YS/T1568-2022, YST 1568-2022, YST1568-2022)
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Battery grade anhydrous lithium hydroxide
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Standards related to (historical): YS/T 1568-2022
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YS/T 1568-2022: PDF in English (YST 1568-2022) YS/T 1568-2022
YS
NONFERROUS INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.99
CCS H 64
Battery grade anhydrous lithium hydroxide
ISSUED ON: SEPTEMBER 30, 2022
IMPLEMENTED ON: APRIL 01, 2023
Issued by: Ministry of Industry and Information Technology of the People's
Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 4
4 Product classification ... 5
5 Technical requirements ... 5
6 Test methods ... 6
7 Inspection rules ... 6
8 Marking, packaging, transportation, storage and accompanying documents ... 7
9 Order sheet content ... 9
Battery grade anhydrous lithium hydroxide
1 Scope
This document specifies the product classification, technical requirements, test methods,
inspection rules, marking, packaging, transportation, storage and accompanying
documents and order sheet content of battery grade anhydrous lithium hydroxide.
This document applies to battery grade anhydrous lithium hydroxide produced by
various methods.
2 Normative references
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 any amendments) applies.
GB 190-2009, Packing symbol of dangerous goods
GB/T 191-2008, Packaging -- Pictorial marking for handling of goods
GB/T 6678-2003, General principles for sampling chemical products
GB/T 8170, Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 11064 (all parts), Methods for chemical analysis of lithium carbonate, lithium
hydroxide monohydrate and lithium chloride
GB/T 19077, Particle size analysis -- Laser diffraction methods
GB/T 26008-2020, Battery grade lithium hydroxide monohydrate
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 magnetic impurity
Substances that can be directly or indirectly adsorbed by ferromagnets.
NOTE: It mainly refers to magnetic substances in iron, chromium, nickel, zinc and their alloys.
This document shows the combined amount of the four elements iron, chromium, nickel and zinc.
The product is in the form of white granules or powder with no visible inclusions.
6 Test methods
6.1 The chemical composition analysis of the product shall be carried out in accordance
with the provisions of GB/T 11064.
6.2 The magnetic impurity analysis of the product shall be carried out in accordance
with the provisions of Annex B of GB/T 26008-2020.
6.3 The particle size analysis of the product is carried out in accordance with the
provisions of GB/T 19077.
6.4 The appearance quality of the product is visually inspected.
7 Inspection rules
7.1 Inspection and acceptance
7.1.1 Products shall be inspected by the supplier or a third party to ensure that product
quality complies with the provisions of this document and the order sheet.
7.1.2 The purchaser shall inspect the received products in accordance with the
provisions of this document. If the inspection results are inconsistent with the
provisions of this document and the order sheet, it shall be submitted to the supplier in
writing, and the matter shall be resolved through negotiation between the supplier and
the purchaser. Objections related to packaging quality shall be submitted to the supplier
within 7 days from the date of receipt of the product. Objections related to other
performance shall be submitted to the supplier within 30 days from the date of receipt
of the product, and shall be resolved through negotiation between the supplier and the
purchaser. If arbitration is required, it shall be determined by joint sampling or
negotiation between the supplier and the purchaser on the purchaser's.
7.2 Batching
Products shall be submitted for acceptance in batches. Each batch shall be composed of
products with the same production process, the same designation, and the same
appearance. The net weight of each batch of products shall not exceed 10 t. For large-
volume supply, the batch grouping method can be determined by negotiation between
the supplier and the purchaser.
7.3 Inspection items
Each batch of products shall be inspected for chemical composition, magnetic impurity,
particle size and appearance quality.
d) Designation;
e) Supplier's name;
f) This document number;
g) "Corrosive substances" mark in Table 2 of GB 190-2009;
h) "Afraid of rain" mark in Table 1 of GB/T 191-2008;
i) Industrial product production license number and logo;
j) Others.
8.2 Packaging, transportation and storage
8.2.1 Products are double-packed in plastic film bags or aluminum-plastic bags lined
with plastic woven bags. The inner bag is zipped or heat-sealed. The outer pocket seams
are secure. If there are other requirements for the packaging method of the product, the
supplier and the purchaser can negotiate. The net weight of each bag is based on
customer requirements.
8.2.2 Contact with acid shall be avoided during product transportation. The packaging
bag shall be prevented from being damaged during transportation and handling. Pay
attention to moisture-proof.
8.2.3 The product shall be stored in a dry, acid-free atmosphere. The storage period
shall not exceed half a year.
8.3 Accompanying documents
Each batch of products shall be accompanied by accompanying documents, which shall
include the following:
a) Supplier's name, address, telephone number, fax;
b) Product name and designation;
c) Appearance and morphology;
d) Batch number;
e) Net weight and number of pieces;
f) Various analysis and inspection results and the imprint of the technical supervision
department;
g) This document number;
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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