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GB/T 17776-2016 English PDF

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US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 17776-2016: Determination of sulfur in feedstuff -- Magnesium nitrate method
Status: Valid

GB/T 17776: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 17776-2016	119	Add to Cart	3 days	Determination of sulfur in feedstuff -- Magnesium nitrate method	Valid
GB/T 17776-1999	199	Add to Cart	2 days	Determination of sulfur in feedstuff. Magnesium nitrate method	Obsolete

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Basic data

Standard ID: GB/T 17776-2016 (GB/T17776-2016)
Description (Translated English): Determination of sulfur in feedstuff -- Magnesium nitrate method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B46
Classification of International Standard: 65.120
Word Count Estimation: 6,638
Date of Issue: 6/14/2016
Date of Implementation: 2017-01-01
Older Standard (superseded by this standard): GB/T 17776-1999
Quoted Standard: GB/T 6682; GB/T 14699.1; GB/T 20195
Regulation (derived from): National Standard Announcement No. 8 of 2016
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 determination of sulfur in feed. This standard applies to a single feed, with feed, concentrate feed and concentrate supplement. The quantitative limit of this standard is 0.20%.

GB/T 17776-2016: Determination of sulfur in feedstuff -- Magnesium nitrate 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.
Determination of sulfur in feedstuff - Magnesium nitrate method ICS 65.120 B46 National Standards of People's Republic of China Replacing GB/T 17776-1999 Determination of sulfur in feed Magnesium nitrate method Determination ofsulfurinfeedstuff- 2016-06-14 release 2017-01-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 17776-1999 "Determination of sulfur in feed by magnesium nitrate". The main technical content of this standard and GB/T 17776-1999 difference is as follows. --- "1 Scope" added "the standard limit of 0.20%"; --- "4 reagents and solutions" in the warning language "Warning --- magnesium nitrate flammable, explosive, irritating, storage should be away from the light, away from the fire Species, heat, to avoid direct contact with the human body. "; --- in the "7 measurement steps" under the heading "warning --- magnesium nitrate flammable, explosive, irritating, heating must be small fire, cautious operating. "; In the original standard "7 Determination step" "Remove the porcelain crucible, after cooling, add 15mL water, 7mL hydrochloric acid (4.1), boil, Filtered, washed thoroughly, and the filtrate was diluted to about.200 mL. "Revised to" 7 Determination Procedure "" Remove the porcelain crucible, pending After cooling, add 15 mL of water, 7 mL of hydrochloric acid (4.1), boil, filter and wash the residue with hot distilled water every 10 mL ~ 20 mL Until the filtrate is about.200mL. " This standard is proposed and assigned by the National Committee for Standardization of Feed Industry (SAC/TC76). The drafting of this standard unit. the State Feed Quality Supervision and Inspection Center (Wuhan). The main drafters of this standard. Qian Fang, Huang Ting, He Xu Kong, Wang Sisi, Gao Junfeng, Zhang Yong, Yang Lin, He Fengqin. This standard replaced the previous version of the standard release. --- GB/T 17776-1999. Determination of sulfur in feed Magnesium nitrate method

1 Scope

This standard specifies the determination of sulfur in feed. This standard applies to a single feed, with feed, concentrated feed and concentrate supplement. The standard limit is 0.20%.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods GB/T 14699.1 Feed Sampling GB/T .20195 Preparation of animal feed samples

3 principle

The sulfur in the feed sample was fixed with magnesium nitrate to complete the oxidation. Under acidic conditions, sulfate ions are precipitated as sulfuric acid with barium chloride Barium, precipitated by filtration, washing and burning, weighing barium sulfate in order to obtain sulfur content.

4 reagents and solutions

Warning - magnesium nitrate flammable, explosive, irritating, storage should be away from light, away from fire, heat, to avoid direct contact with the human body. Unless otherwise specified, all reagents used in this standard are of analytical grade. Experimental water should be consistent with GB/T 6682 in the three water specifications or quite pure Degree of water. 4.1 Hydrochloric acid. 4.2 magnesium nitrate solution. Weigh 95g of magnesium nitrate [Mg (NO3) 2 · 6H2O] dissolved in water and diluted to 100mL. 4.3 barium chloride solution. 10g barium chloride dissolved in 100mL water. 4.4 silver nitrate solution. concentration c (AgNO3) 0.1mol/L.

5 instruments and equipment

In addition to commonly used laboratory equipment, other equipment as follows. 5.1 Sampling. pore size of 0.42mm (40 mesh). 5.2 Analysis of the balance. the sense of 0.0001g. 5.3 high temperature furnace. controllable temperature at 820 ℃ ± 20 ℃. 5.4 porcelain crucible. 50mL. 5.5 thermostat electric furnace. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 17776-2016_English be delivered?

Answer: Upon your order, we will start to translate GB/T 17776-2016_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 17776-2016_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 17776-2016_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.

Question 5: Should I purchase the latest version GB/T 17776-2016?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 17776-2016 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.