Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 45208-2025 English PDF

Q: How long will the true-PDF of English version of GB/T 45208-2025 be delivered?

Upon your order, we will start to translate GB/T 45208-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 45208-2025_English with my colleagues?

Yes. The purchased PDF of GB/T 45208-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45208-2025: Determination of paprika red in feeds - High performance liquid chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45208-2025	199	Add to Cart	3 days	Determination of paprika red in feeds - High performance liquid chromatography	Valid

Similar standards

GB/T 43809 GB/T 34270 GB/T 31216 GB/T 17812 GB/T 45200

Basic data

Standard ID: GB/T 45208-2025 (GB/T45208-2025)
Description (Translated English): Determination of paprika red in feeds - High performance liquid chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B46
Classification of International Standard: 65.120
Word Count Estimation: 10,152
Date of Issue: 2025-01-24
Date of Implementation: 2025-08-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45208-2025: Determination of paprika red in feeds - High performance liquid chromatography

---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.
ICS 65.120 CCSB46 National Standard of the People's Republic of China Determination of Capsanthin in Feed by HPLC Released on 2025-01-24 2025-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed and coordinated by the National Feed Industry Standardization Technical Committee (SAC/TC76). This document was drafted by. Sichuan Well Testing Technology Co., Ltd., Shandong Animal Products Quality and Safety Center, Guangzhou Zhitech Biotechnology Technology Co., Ltd., Shandong Feed and Veterinary Drug Quality Inspection Center, and Chenguang Biotechnology Group Co., Ltd. The main drafters of this document are. Zhang Yun, Zhang Fengping, Sun Yanjun, Gong Lingling, Tang Huaying, Zhang Wei, Wang Yingying, Li Junling, Chen Bing, Tang Jiao, Zhang Kun, Li Huirong, Song Weiguang, and Wu Jinyu. Determination of Capsanthin in Feed by HPLC Warning---People who use this document should have practical experience in formal laboratory work. This document does not address all possible safety issues. The user is responsible for taking appropriate safety and health measures and ensuring that the conditions are met in accordance with relevant national regulations.

1 Scope

This document describes a method for the determination of capsanthin in feeds by HPLC. This document applies to capsanthin (the sum of capsanthin and capsorubin) in compound feed, concentrated feed and vitamin premix feed. Measurement of the In this document, the detection limits of capsanthin and capsanthin are both 0.05 mg/kg, and the quantification limits are both 0.1 mg/kg.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 20195 Preparation of animal feed samples

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Principle

Capsanthin and capsanthorubin in the sample were extracted with acetonitrile and determined by high performance liquid chromatography and quantified by external standard method.

5 Reagents or materials

Unless otherwise specified, only analytical grade reagents were used. 5.1 Water. GB/T 6682, Grade 1. 5.2 Acetonitrile. chromatographic grade. 5.3 Phosphoric acid solution (0.3%, volume fraction). Pipette 1.5 mL of phosphoric acid, dilute to 500 mL with water, and mix well. 5.4 Capsanthin and capsanthin standard stock solution (100 μg/mL). weigh capsanthin (CAS No.. 465-42-9, purity ≥ 95%) and capsanthin (CAS No.. 470-38-2, purity ≥ 95%) standard products 10 mg each (accurate to 0.01 mg) were placed in Place in a 100 mL brown volumetric flask, dissolve with acetonitrile (5.2), make up to volume, and mix well. Store at 2°C~8°C, valid for 1 month. 5.5 Mixed standard intermediate solution (10 μg/mL). Accurately pipette 1 mL of capsanthin and capsanthin standard stock solutions (5.4) respectively. In a 10 mL brown volumetric flask, dilute with acetonitrile (5.2), make up to volume, and mix well. Prepare before use. 5.6 Mixed standard series solution. Accurately transfer an appropriate amount of mixed standard intermediate solution (5.5) into a 10 mL brown volumetric flask and add acetonitrile (5.2) Dilute, fix volume, mix, and prepare mass concentrations of 0.02μg/mL, 0.1μg/mL, 0.5μg/mL, 1μg/mL, 2μg/mL and ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45208-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45208-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 45208-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45208-2025_English will be deemed to be sold to your employer/organization who actually pays 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. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.