YS/T 1552-2022 English PDF (YST1552-2022)

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YS/T 1552-2022: Crude lithium carbonate
YS/T 1552-2022
YS
NONFERROUS INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.99
CCS H 64
Crude lithium carbonate
粗碳酸锂
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 Technical requirements ... 4
5 Test methods ... 5
6 Inspection rules ... 5
7 Marking, packaging, transportation, storage and accompanying documents ... 7
8 Order sheet... 8
Crude lithium carbonate
1 Scope
This document specifies the technical requirements, test methods, inspection rules,
marking, packaging, transportation, storage, accompanying documents and order sheet
content of crude lithium carbonate.
This document applies to crude lithium carbonate obtained from the processing or
recycling of lithium-containing minerals, lithium-ion battery waste and other lithium-
containing materials.
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/T 6284, Chemical products for industrial use -- General method for
determination of water content -- The loss of mass on drying method
GB/T 8170, Rules of rounding off for numerical values and expression and
judgement of limiting values
3 Terms and definitions
There are no terms or definitions to be defined in this document.
4 Technical requirements
4.1 Chemical composition
The chemical composition of the product shall comply with the requirements in Table
1.
6.5.2 If any of the chemical composition and moisture test results of the product fails,
double sampling will be done in the batch of products. The reinspection will be
conducted on the unqualified items. If there is still one unqualified item, the batch of
products will be deemed unqualified.
6.5.3 If the appearance quality of the product fails, the batch of products will be deemed
to be unqualified.
7 Marking, packaging, transportation, storage and accompanying
documents
7.1 Marking
The outer packaging of the product shall include the followings:
a) Product name;
b) Batch number;
c) Net weight;
d) Name of supplier;
e) Factory address.
7.2 Packaging
Products are packed in woven bags lined with aluminum plastic bags or PE bags. Seal.
The net weight of each bag is 200 kg~500 kg. It can also be packaged according to the
specifications required by users.
7.3 Transportation
Products shall be handled with care during transportation. Take measures to prevent
packaging from breaking, rainproofing, and waterproofing.
7.4 Storage
Products shall be stored in dry, ventilated warehouses free of corrosive items. They shall
not be stored mixed with acids, alkalis, oils and other chemicals.
7.5 Accompanying documents
Each batch of product shall be accompanied by accompanying documents. In addition
to supplier information, product information, this document number, exit-factory date
or packaging date, it shall also include: