LY/T 1064-2025 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1064-2025	RFQ	ASK	3 days	Deep processed products of turpentine	Valid
LY/T 1064-2012	259	Add to Cart	3 days	Isolongifolene	Valid
LY/T 1064-1992	359	Add to Cart	3 days	(Isolongifolene)	Obsolete

Basic data

Standard ID: LY/T 1064-2025 (LY/T1064-2025)
Description (Translated English): Deep processed products of turpentine
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B72
Classification of International Standard: 65.05
Date of Issue: 2025-07-21
Date of Implementation: 2025-11-01
Older Standard (superseded by this standard): LY/T 1064-2012 LY/T 1182-2014 LY/T 1183-2014 LY/T 2398-2014 LY/T 2611-2016 LY/T 2613-2016 LY/T 2708-2016 LY/T 2859-2017 LY/T 2860-2017 LY/T 2867-2017 LY/T 2868-2017
Issuing agency(ies): National Forestry and Grassland Administration

LY/T 1064-2012: Isolongifolene

---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.
Isolongifolene ICS 71.080.10 B72 People's Republic of China Forestry Industry Standard Replacing LY/T 1064-1992 Isoflavone Published on.2012-02-23 2012-07-01 implementation State Forestry Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces LY/T 1064-1992 "Iso-long-leafene", and the main changes compared with LY/T 1064-1992 are as follows. --- Chapter 2 added GB/T 14454.4, GB/T 6680 reference; canceled GB 3100, GB 11538, QB798 Reference --- In Chapter 3, the definition of isoflavones has been added; --- Added Chapter 4. Identification Methods; --- In the technical requirements of Chapter 5, the grades were cancelled, the grades were changed, and the relative density and content were modified; --- The determination of iso-long-leafene content in Chapter 6 is quantified by the internal standard method using the area normalization method; --- Changed the technical content of the original Appendix A, added Appendix B; This standard is proposed and managed by the State Forestry Administration. This standard is drafted by. Nanjing Science and Technology Development Corporation, Institute of Forest Products and Chemical Engineering, Chinese Academy of Forestry. Participated in the drafting of this standard. Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry. The main drafters of this standard. Xia Jianling, Chen Yao, Zhang Yan, Yang Xiaohua, Huang Kun, Li Mei. The previous versions of the standards replaced by this standard are. ---LY/T 1064-1992. Isoflavone

1 Scope

This standard specifies the terms and definitions, identification methods, technical requirements, test methods, inspection rules, and signs, packaging, and transportation of iso-longene. Loss and storage. This standard applies to isoflavones prepared by catalytic isomerization of longene.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6680 Liquid Chemical Product Sampling General GB/T 9282.1 Coloured liquids - Platinum - Cobalt grades - Part 1 GB/T 11540 Determination of relative density of spices GB/T 14454.4 Determination of the refractive index of spices

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 The product obtained by fractional distillation of long-leafene by catalytic isomerization has a woody aroma. CAS number. 1135-66-6. Chemical name of isolongene. 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methylene naphthalene Molecular formula. C15H24, relative molecular mass. 204.35. The chemical structure is shown in Figure 1. Figure 1 Schematic diagram of iso-longene structure

4 Identification method

See Appendix A for either of the two methods. If there is a contradiction between the two methods, A.1 is used as the arbitration method. ......

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