GB/T 8766-2013 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 8766-2013 | English | 145 |
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Lithium hydroxide monohydrate
| Valid |
| GB/T 8766-2002 | English | 319 |
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Lithium hydroxide monohydrate
| Obsolete |
| GB/T 8766-1988 | English | 199 |
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Lithium hydroxide monohydrate
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 8766-2013
GB/T 8766-2013: Lithium hydroxide monohydrate---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT8766-2013
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.99
H 64
Replacing GB/T 8766-2002
Lithium hydroxide monohydrate
Issued on. NOVEMBER 27, 2013
Implemented on. AUGUST 01, 2014
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Requirements... 4
4 Test methods... 5
5 Inspection rules... 5
6 Marking, packaging, transportation, storage and quality certificate... 7
7 Contract (or order) content... 8
Annex A (normative) Chemical analysis method for water insoluble matters in
lithium hydroxide monohydrate... 9
Foreword
This Standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 8766-2002 “Lithium hydroxide monohydrate”.
Compared with GB/T 8766-2002, the main technical changes of this Standard
are as follows.
- ADD the lithium hydroxide monohydrate produced from brine in the scope;
- REDUCE the content of Na + K impurity element in LiOH • H2O-1 and LiOH
• H2O-2 products;
- REDUCE the content of impurity elements such as hydrochloric acid
insoluble matters and water insoluble matters in the product;
- CHANGE the net weight of each bag of 25 kg ± 25 g TO the net weight of
each bag of 20 kg ~ 1000 kg;
- INCREASE the content of chloride ion impurity element in the product.
This Standard shall be under the jurisdiction of National Technical Committee
on Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
Drafting organizations of this Standard. Xinjiang Haoxin Lithium Salts
Development Co., Ltd., Jiangxi Ganfeng Lithium Industry Co., Ltd., Sichuan
Tianqi Lithium Industry Co., Ltd., Sichuan Ni & Co Guorun New Materials Co.,
Ltd., Haimen Ronghui General Lithium Industry Co., Ltd., Baiyin Zabuye
Lithium Industry Co., Ltd., Shaanxi Guoneng Lithium Industry Co., Ltd.
Main drafters of this Standard. Chen Yuedi, Yan Chunli, Xie Shaozhong, Jin
Peng, Yan Xianwei, Li Nanping, Peng Qiuhua, Gong Zhixing, Li Niansheng, Mo
Zixuan.
The previous released versions replaced by this Standard are as follows.
- GB/T 8766-1988, GB/T 8766-2002.
Lithium hydroxide monohydrate
1 Scope
This Standard specifies the requirements, test methods, inspection rules,
marking, packaging, transportation, storage and quality certificate and contract
(or order) content of lithium hydroxide monohydrate.
This Standard applies to lithium hydroxide monohydrate products produced
from lithium ore or brine.
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 Packing symbol of dangerous goods
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 6678-2003 General principles for sampling chemical products
GB/T 11064 (all parts) Methods for chemical analysis of lithium carbonate,
lithium hydroxide monohydrate and lithium chloride
3 Requirements
3.1 Product classification
Lithium hydroxide monohydrate products are divided into four grades according
to the chemical composition. LiOH • H2O-T1, LiOH • H2O-T2, LiOH • H2O-1,
LiOH • H2O-2.
3.3 Appearance quality
The product is white crystalline particles with fluidity and no visible inclusions.
4 Test methods
4.1 The chemical composition inspection of products shall be carried out in
accordance with the provisions of GB/T 11064.
4.2 The appearance quality inspection of products shall be carried out by visual
inspection.
5 Inspection rules
5.1 Inspection and acceptance
5.1.1 The product shall be inspected by the supply party’s quality supervision
department to ensure that the product complies with the provisions of this
Standard (or the order contract), and it shall fill in the product quality certificate.
5.2 Batching
Lithium hydroxide monohydrate products shall be submitted for acceptance in
Chemical composition (mass fraction)/%
5.3 Inspection items
Each batch of products shall be inspected for chemical composition and
appearance quality. The quality consistency inspection items for each batch of
products shall comply with the requirements of Table 2.
5.4 Sampling
5.4.1 Sampling quantity
Sampling according to the provisions of 7.6 in GB/T 6678-2003.
5.4.2 Sampling method
USE a stainless steel tube or a rigid polyvinyl chloride sampler. INSERT the
sampling tube into 2/3 of the bag along the center of the bag. The sample taken
is mixed and divided into about 200 g by the quartering method.
5.5 Determination of inspection results
5.5.1 If the chemical composition inspection result of the product is unqualified,
take double amount of the sample from the same batch of products, and inspect
the unqualified item again.
6 Marking, packaging, transportation, storage and quality certificate
6.1 Marking
The product packaging bag shall be marked with.
6.2 Packaging
The products are packaged by means of inner plastic bag plus outer plastic
woven bag. The net weight of each bag is 20 kg ~ 1000 kg.
6.3 Transportation
When handling the products, it shall prevent the packaging bag from being
damaged and be protected from moisture.
6.4 Storage
The products shall be stored in a dry, acid-free environment. The storage period
shall not exceed six months.
6.5 Quality certificate
Each batch of products shall be accompanied by a quality certificate, indicating.
7 Contract (or order) content
The contract (or order) of the products listed in this Standard shall include the
following.
Annex A
(normative)
Chemical analysis method for water
insoluble matters in lithium hydroxide monohydrate
A.1 Scope
This method provides a method of determining the content of water insoluble
matters in lithium hydroxide monohydrate.
This method applies to the determination of the content of water insoluble
matters in lithium hydroxide monohydrate, and the determination range is
0.002 % ~ 0.1 %.
A.2 Method summary
The sample is dissolved in boiling water, cooled and filtered, and then the
insoluble matters are dried and weighed.
A.3 Reagent
Secondary deionized water.
A.4 Sample
Lithium hydroxide monohydrate samples shall be placed in plastic containers
and stored in a vacuum.
A.5 Instruments and equipment
Balance, oven, 4# glass sand plate funnel.
A.6 Analysis steps
A.6.1 Sample
WEIGH 20 g of sample, to the nearest 0.0001 g.
A.6.2 Determination times
Independently CARRY OUT two determinations, and TAKE the average value.
A.6.3 Determination
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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