HOME   Cart(1)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

GB/T 38007-2019 PDF English

US$199.00 · In stock · Download in 9 seconds
GB/T 38007-2019: Test method for identification of natural colored silk of silkworm (Bombyx mori)
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 38007-2019English199 Add to Cart 3 days Test method for identification of natural colored silk of silkworm (Bombyx mori) Valid

Excerpted PDFs (Download full copy in 9 seconds upon purchase)

PDF Preview: GB/T 38007-2019
      

Similar standards

FZ/T 50015   GB/T 44214   

GB/T 38007-2019: Test method for identification of natural colored silk of silkworm (Bombyx mori)

---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/GBT38007-2019
(Silkworm natural color silk identification test method) ICS 59.080.01 W40 National Standards of People's Republic of China Silkworm natural color silk identification test method Testmethodforidentificationofnaturalcoloredsilkofsilkworm(Bombyxmori) Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB T1.1-2009. This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of the National Silk Standardization Technical Committee (SAC/TC401). This standard was drafted. Suzhou University, Anhui Academy of Agricultural Sciences Sericulture Research Institute, Xinyuan Silk Group Co., Ltd., National Textiles Weaving Garment Product Quality Supervision and Inspection Center (Zhejiang Tongxiang), Sichuan Antai Silk Group Co., Ltd., Nantong Textile Silk Industry Technology Research Institute, Zhejiang Silk Technology Co., Ltd., Zibo Dyefang Silk Group Co., Ltd., Dali (China) Co., Ltd., Anhui Tiancai Silk Co., Ltd. Division, Chongqing Fiber Inspection Bureau, Zhejiang Zhongtian Textile Testing Co., Ltd., Shanghai Silk Group Co., Ltd., Hefei Customs, Jiaxing College, Guang Xizhuang Autonomous Region Product Quality Inspection Institute, Shanghai University of Engineering and Technology. The main drafters of this standard. Xu Shiqing, Fan Tao, Chen Xuedong, Wu Dongping, Zuo Baoqi, Chu Chengping, Sima Yanghu, Yao Hanqiang, Wen Chaoyu, Zhang Xiaoguang, Wu Hao, Zhang Ying, Wang Guang, Zhang Ling, Shi Meijuan, Wang Jiqiang, Liu Xiaofei, Jin Yulong, Zhang Yuping, Liang Haili, Dai Junjun, Yi Honglei, Shen Guokang, Mao Minghua, Xin Binjie, Pan Jingyi. Silkworm natural color silk identification test method Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the principles, reagents, equipment, qualitative identification, quantitative detection and testing of natural pigments for silkworm natural color silk identification test. Report. This standard applies to the identification of silkworm natural yellow silk and silkworm natural green silk.

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 the amendments used) applies to this document. GB/T 6529 Standard atmosphere for textile conditioning and testing GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Silkworm natural colored silk naturalcoloredsilk Non-white mulberry silk having natural pigments synthesized by silkworms themselves or from feed. 3.2 Pigment colorant Colorants, dyes. Note. According to the source, it can be divided into natural pigments and synthetic pigments.

4 Principle

4.1 Basic principles The color and color fastness of silkworm natural colored silk involves dozens of natural pigments, while the yellow-green pigments are mainly flavonoids, yellow red. Color pigments are mainly carotenoids and flavonoids. 4.2 Qualitative identification of natural colored silk of silkworm According to the difference in acid stability and discoloration between carotenoids, flavonoid natural pigments and yellow-based and green-based synthetic pigments; carotenoids And flavonoid natural pigments are only distributed on the surface of mulberry silk or on the surface and inside, and the difference in acid stability time, can be qualitatively identified silkworm days Yellow silk, silkworm natural green silk and non-natural colored silk (chemical synthetic dye or natural dye dyed silk). GB/T 38007-2019 (Silkworm natural color silk identification test method) ICS 59.080.01 W40 National Standards of People's Republic of China Silkworm natural color silk identification test method Testmethodforidentificationofnaturalcoloredsilkofsilkworm(Bombyxmori) Published on.2019-08-30 2020-03-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB T1.1-2009. This standard was proposed by the China National Textile and Apparel Council. This standard is under the jurisdiction of the National Silk Standardization Technical Committee (SAC/TC401). This standard was drafted. Suzhou University, Anhui Academy of Agricultural Sciences Sericulture Research Institute, Xinyuan Silk Group Co., Ltd., National Textiles Weaving Garment Product Quality Supervision and Inspection Center (Zhejiang Tongxiang), Sichuan Antai Silk Group Co., Ltd., Nantong Textile Silk Industry Technology Research Institute, Zhejiang Silk Technology Co., Ltd., Zibo Dyefang Silk Group Co., Ltd., Dali (China) Co., Ltd., Anhui Tiancai Silk Co., Ltd. Division, Chongqing Fiber Inspection Bureau, Zhejiang Zhongtian Textile Testing Co., Ltd., Shanghai Silk Group Co., Ltd., Hefei Customs, Jiaxing College, Guang Xizhuang Autonomous Region Product Quality Inspection Institute, Shanghai University of Engineering and Technology. The main drafters of this standard. Xu Shiqing, Fan Tao, Chen Xuedong, Wu Dongping, Zuo Baoqi, Chu Chengping, Sima Yanghu, Yao Hanqiang, Wen Chaoyu, Zhang Xiaoguang, Wu Hao, Zhang Ying, Wang Guang, Zhang Ling, Shi Meijuan, Wang Jiqiang, Liu Xiaofei, Jin Yulong, Zhang Yuping, Liang Haili, Dai Junjun, Yi Honglei, Shen Guokang, Mao Minghua, Xin Binjie, Pan Jingyi. Silkworm natural color silk identification test method Caution - Personnel using this standard should have practical experience in formal laboratory work. This standard does not indicate all possible security questions. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions set by the relevant national regulations.

1 Scope

This standard specifies the principles, reagents, equipment, qualitative identification, quantitative detection and testing of natural pigments for silkworm natural color silk identification test. Report. This standard applies to the identification of silkworm natural yellow silk and silkworm natural green silk.

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 the amendments used) applies to this document. GB/T 6529 Standard atmosphere for textile conditioning and testing GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Silkworm natural colored silk naturalcoloredsilk Non-white mulberry silk having natural pigments synthesized by silkworms themselves or from feed. 3.2 Pigment colorant Colorants, dyes. Note. According to the source, it can be divided into natural pigments and synthetic pigments.

4 Principle

4.1 Basic principles The color and color fastness of silkworm natural colored silk involves dozens of natural pigments, while the yellow-green pigments are mainly flavonoids, yellow red. Color pigments are mainly carotenoids and flavonoids. 4.2 Qualitative identification of natural colored silk of silkworm According to the difference in acid stability and discoloration between carotenoids, flavonoid natural pigments and yellow-based and green-based synthetic pigments; carotenoids And flavonoid natural pigments are only distributed on the surface of mulberry silk or on the surface and inside, and the difference in acid stability time, can be qualitatively identified silkworm days Yellow silk, silkworm natural green silk and non-natural colored silk (chemical synthetic dye or natural dye dyed silk). ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.

Tips & Frequently Asked Questions

Question 1: How long will the true-PDF of English version of GB/T 38007-2019 be delivered?

Answer: The full copy PDF of English version of GB/T 38007-2019 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of GB/T 38007-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 38007-2019_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. www.ChineseStandard.us -- GB/T 38007-2019 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

How to buy and download a true PDF of English version of GB/T 38007-2019?

A step-by-step guide to download PDF of GB/T 38007-2019_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 38007-2019".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9