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GB/T 22182-2008 English PDF

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US$154.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22182-2008: Rapeseed -- Determination of chlorophyll content -- Spectrometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22182-2008	154	Add to Cart	3 days	Rapeseed -- Determination of chlorophyll content -- Spectrometric method	Valid

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Basic data

Standard ID: GB/T 22182-2008 (GB/T22182-2008)
Description (Translated English): Rapeseed -- Determination of chlorophyll content -- Spectrometric method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X14
Classification of International Standard: 67.200.20
Word Count Estimation: 8,835
Date of Issue: 2008-07-16
Date of Implementation: 2008-11-01
Quoted Standard: GB 5491; GB/T 14489.1; ISO 648-1977; ISO 664-1990
Adopted Standard: ISO 10519-1997, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.12 (Total No.125)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the method for determining the chlorophyll content of rapeseed by spectrophotometry. This standard does not apply to the determination of the fat content of chlorophyll.

GB/T 22182-2008: Rapeseed -- Determination of chlorophyll content -- Spectrometric method

---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.
Rapeseed. Determination of chlorophyll content. Spectrometric method ICS 67.200.20 X14 National Standards of People's Republic of China GB/T 22182-2008/ISO 10519.1997 Determination of chlorophyll content of rapeseed (ISO 10519.1997, IDT) Posted 2008-07-16 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 10519.1997 "Determination of chlorophyll content of rapeseed --- --- spectrophotometer" (in English). For ease of use, this standard made the following editorial changes. a) "this International Standard" be replaced by "this standard"; b) use a decimal point instead of a decimal comma ",". ","; c) Remove the preface to the international standards; d) with the GB 5491 "grain and oilseeds testing for sampling, and sample law" instead of ISO 542.1990 "Oilseeds-Sampling"; e) with GB/T 14489.1 "fuel moisture and volatile matter content determination" instead of ISO 665. 1977 "Oilseeds-Determina- tionofmoistureandvolatilemattercontent ". Appendix A of this standard is an informative annex. The standard proposed by the National Food Authority. This standard by the National Standardization Technical Committee OILS. This standard was drafted. Academy of State Grain Administration, the State Grain Reserve Xi'an Oil Research and Design Institute, Shenzhen Lam Soon Edible Oils have Limited. Drafters of this standard. Xue Yalin, Tian Shumei, Liu Jiantao, Zhao Yinning. GB/T 22182-2008/ISO 10519.1997 Determination of chlorophyll content of rapeseed Spectrophotometer

1 Scope

This standard specifies the method for determining the chlorophyll content of rapeseed by spectrophotometry. This method is not used to determine the fat content of chlorophyll.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study whether the use of this standard can With the latest versions of these files. For undated reference documents, the latest versions apply to this standard. GB 5491 grain and oilseeds testing for sampling, and sample method GB/T 14489.1 fuel moisture and volatile matter content determination method (GB/T 14489.1-1993, eqv ISO 665. 1977) ISO 648. 1977 Laboratory glassware - Single-marking pipette ISO 664.1990 Oil - Sample Preparation

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Under this standard operating conditions, at a wavelength of 665nm near the sample can produce a mass fraction of a substance is absorbed with leaf A chlorophyll content (in mg/kg expressed). Principle 4 In a suitable device, extract the sample was extracted with a predetermined, measurement of absorbance of the sample solution was extracted with a spectrophotometer to determine the chlorophyll Pigment content.

5 Reagents

Except in special circumstances, the reagents were of analytical grade. 5.1 Extraction solution Take 100mL to 500mL beaker of ethanol, was added 300mL of anhydrous iso-octane (ie, 2,2,5-trimethyl pentane) or anhydrous Anhydrous n-heptane, or petroleum ether (basic component C7 hydrocarbons, boiling range 90 ℃ ~ 100 ℃).

6 Instruments

Conventional laboratory equipment, particularly in the following instruments. 6.1 Analysis of balance. a sense of the amount of 0.001g. 6.2 Mechanical mill. blade type, or coffee mill, or similar device. 6.3 micro-mechanical grinding machine. with safety plug, stainless steel ball (diameter 16mm) of 50mL stainless steel tube (see Figure 1) and the steel tube for water GB/T 22182-2008/ISO 10519.1997 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22182-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22182-2008_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 22182-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22182-2008_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.