GB/T 22427.1-2008 English PDF

US$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22427.1-2008: Starch -- Determination of ash
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22427.1-2008	239	Add to Cart	3 days	Starch -- Determination of ash	Obsolete

Similar standards

GB/T 20373   GB/T 31323   GB/T 29343   GB/T 22427.8   GB/T 22427.7   GB/T 22427.2   

Basic data

Standard ID: GB/T 22427.1-2008 (GB/T22427.1-2008)
Description (Translated English): Starch -- Determination of ash
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X11
Classification of International Standard: 67.180.20
Word Count Estimation: 6,653
Date of Issue: 2008-10-19
Date of Implementation: 2009-03-01
Older Standard (superseded by this standard): GB/T 12086-1989
Quoted Standard: GB/T 22427.2
Adopted Standard: ISO 3593-1981, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.17 (Total No.130)
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 the determination of starch ash. This standard applies to the ash content of not more than 2% of starch and modified starch, is not applicable to the hydrolysis products, oxidized starch and chlorine content greater than 0. 2 wt % of the sample. The remaining cases see GB/T 22427. 8.

GB/T 22427.1-2008: Starch -- Determination of ash

---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.
Starch. Determination of ash ICS 67.180.20 X11 National Standards of People's Republic of China GB/T 22427.1-2008/ISO 3593. 1981 Replacing GB/T 12086-1989 Starch - Determination of ash (ISO 3593. 1981, IDT) Posted 2008-10-19 2009-03-01 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 3593. 1981 "starch ash determination" (in English), the content and structure of ISO 3593. 1981 Consistent, only made editorial changes. This standard replaces GB/T 12086-1989 "starch ash determination." This standard and GB/T 12086-1989 compared to major changes are as follows. --- Standard name changed to "Starch - Determination of ash"; --- Improve the standard format, according to the International System of Units standardized units; --- According to the ash content of the sample is different from a clear sample weight of the sample; --- Added "8 Experiment Report"; --- Added "References." This standard is proposed and managed by China General Chamber of Commerce. This standard was drafted. Chinese Chamber of Commerce Business Standard centers, food, Jiangnan University, China Starch Industry Association modified starch Professional Committee, Tianjin peak Starch Development Co., Ltd. Yunnan Runkai starch. The main drafters of this standard. Guzheng Biao, Hong Yan, Cheng Li, Chen Hongxing, Liu Hong, Lai Yihan, Wang Shao Qi, Jin Xiaolei. GB/T 22427.1-2008/ISO 3593. 1981 Starch - Determination of ash

1 Scope

This standard specifies the method for the determination of starch ash. This standard applies to the ash content of not more than 2% of starch and modified starch, does not apply to the hydrolysis products, and the chlorine content of oxidized starch The mass fraction of more than 0.2% (sodium chloride meter) sample. The remaining cases see GB/T 22427.8.

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 the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 22427.2 starch Moisture (GB/T 22427.2-2008, ISO 1666.1996, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 The method according to this standard, the samples obtained after ashing residue. Principle 4 The sample was ashed at 900 ℃, carbon ashing until complete disappearance of the sample, the sample to obtain a residue.

5 Instruments

5.1 Crucible. made of platinum or under the assay conditions affected material, flat with a capacity of 40mL, the minimum usable surface area 15cm2. There are plenty of valid within the desiccant and a thick porous plate. 5.2 dryer. 5.3 ashing furnace. for control and temperature control device that provides 900 ℃ ± 25 ℃ ashing temperature. 5.4 Analysis of balance. a sense of the amount of 0.0001g. 5.5 Bunsen burner or electric hot plate.

6 operation

6.1 Crucible pretreatment Whether new or used crucible (5.1), must be washed with dilute hydrochloric acid and boiling, and then a lot of water washing, and finally with distilled Distilled water. Wash the crucible placed in ash oven (5.3) inside at 900 ℃ ± 25 ℃ burn 30min, and cooled to room in the dryer (5.2) in the Temperature, weighing, accurate to 0.0001g. 6.2 said sample According to the ash content of the sample estimate, quickly weighed sample 2g ~ 10g, accurate to 0.0001g, uniform distribution of the sample in the crucible Inside, do not pinch. NOTE. potato starch, wheat starch and rice starch, said at least 5g, while corn starch and tapioca starch need to weigh 10g. GB/T 22427.1-2008/ISO 3593. 1981 ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22427.1-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22427.1-2008_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 22427.1-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22427.1-2008_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.