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GHT1125-2016: (Technical specification for rare earth content control of tea)
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GH/T 1125-2016 | English | 149 |
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(Technical specification for rare earth content control of tea)
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GH/T 1125-2016
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Basic data | Standard ID | GH/T 1125-2016 (GH/T1125-2016) | | Description (Translated English) | (Technical specification for rare earth content control of tea) | | Sector / Industry | Supply and Marketing Cooperatives Industry Standard (Recommended) | | Classification of Chinese Standard | X55 | | Word Count Estimation | 6,659 | | Date of Issue | 2016-09-30 | | Date of Implementation | 2016-11-01 | | Regulation (derived from) | Supply-Marketing Technology Letter [2016] No.45 | | Issuing agency(ies) | All-China Federation of Supply and Marketing Cooperatives | GHT1125-2016: (Technical specification for rare earth content control of tea)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Technical specification for rare earth content control of tea)
ICS 67.140.10
X55
People's Republic of China Supply and Marketing Cooperation Industry Standard
Technical Regulations for Tea Rare Earth Content Control
2016-09-30 release
2016-11-01 Implementation
Published by All China Supply and Marketing Cooperative
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the All-China Supply and Marketing Cooperative.
This standard is under the jurisdiction of the National Tea Standardization Technical Committee (SAC/TC339).
This standard was drafted. China National Supply and Marketing Cooperative Hangzhou Tea Research Institute, Hunan Baishaxi Tea Factory Co., Ltd., Zhejiang Wu
Yi Camel Jiulong Brick Tea Co., Ltd., Fujian Anxi Baifang Tea Industry Co., Ltd., Anhua Experimental Tea Farm Co., Ltd., Hunan Axiang Tea Fruit
Food Co., Ltd.
The main drafters of this standard. Yang Xiufang, Kong Junhao, Xu Ling, Tan Rong, Zhang Lingling, Wang Jing, Liu Xuehui, He Zeliang, and Bao Lijia.
Technical Regulations for Tea Rare Earth Content Control
1 Scope
This standard specifies the requirements and test methods for controlling the content of rare earths during tea production.
This standard applies to the control of rare earth content during the growth of tea.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB 5009.94 National Food Safety Standard Determination of Rare Earth Elements in Plant Foods
GB/T 8302 Tea sampling
GB/T 8303 Preparation of ground tea samples and determination of dry matter content
GH/T 1076 Technical regulations for tea production
GH/T 1077 Technical regulations for tea processing
3 Requirements
3.1 Tea Garden Base Selection
3.1.1 On-site inspection of the ecological environment around the tea plantation, and confirm that there are no rare earth pollution sources such as rare earth mining areas within the surrounding sight.
3.1.2 The content of rare earth in the tea garden soil is ≤350mg/kg.
3.2 Tea Garden Management
3.2.1 Tea garden management shall meet the requirements of GH/T 1076.
3.2.2 The rare earth content of fertilizers and other tea garden inputs is ≤200mg/kg.
3.3 Picking and processing fresh tea leaves
3.3.1 Monitor the rare earth content of fresh tea leaves in the tea garden and pick fresh tea leaves in time.
3.3.2 The first round of the season should be fresh or the leaves should be picked. It should not be mixed with old or dead leaves, dead leaves and falling leaves.
3.3.3 The processing of fresh tea leaves meets the requirements of GB/T 1077.
3.3.4 Fresh tea leaves, work in progress, finished tea, etc. should not be in direct contact with the ground.
4 Test method
4.1 Tea sampling shall be performed in accordance with GB/T 8302.
4.2 Determination of dry matter content of tea shall be carried out in accordance with GB/T 8303.
4.3 The determination of rare earth content in tea shall be carried out in accordance with the provisions of GB 5009.94.
4.4 The determination of the rare earth content in the tea garden soil shall be performed in accordance with the provisions of Appendix A.
4.5 The determination of rare earth content in fertilizers shall be implemented with reference to the provisions of GB 5009.94.
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