GB/T 6276.8-2010 English PDF

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GB/T 6276.8-2010: Determination of ammonium hydrogen carbonate for industrial use -- Part 8: Arsenic content -- Gutzeit method
Status: Obsolete

GB/T 6276.8: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6276.8-2010	199	Add to Cart	2 days	Determination of ammonium hydrogen carbonate for industrial use -- Part 8: Arsenic content -- Gutzeit method	Obsolete
GB/T 6276.8-1986	199	Add to Cart	2 days	Ammonium hydrogen carbonate for industrial use--Determination of arsenic content--Gutzeit method	Obsolete

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Basic data

Standard ID: GB/T 6276.8-2010 (GB/T6276.8-2010)
Description (Translated English): Determination of ammonium hydrogen carbonate for industrial use -- Part 8: Arsenic content -- Gutzeit method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G12
Classification of International Standard: 71.060.50
Word Count Estimation: 5,513
Date of Issue: 2010-06-30
Date of Implementation: 2011-01-01
Older Standard (superseded by this standard): GB/T 6276.8-1986
Quoted Standard: HG/T 2843
Regulation (derived from): National Standard Approval Announcement 2010 No.2 (Total No.157)
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 industrial uses Gutzeit arsenic content of ammonium bicarbonate. This section applies to industrial ammonium bicarbonate arsenic content.

GB/T 6276.8-2010: Determination of ammonium hydrogen carbonate for industrial use -- Part 8: Arsenic content -- Gutzeit 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 ammonium hydrogen carbonate for industrial use Part 8. Arsenic content Gutzeit method. ICS 71.060.50 G12 National Standards of People's Republic of China Replacing GB/T 6276.8-1986 Determination of ammonium bicarbonate industrial Part 8. arsenic content Gutzeit method Part 8. Arseniccontent-Gutzeitmethod Issued on. 2010-06-30 2011-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 6276 "industrial use - Determination of ammonium bicarbonate method" is divided into nine sections. --- Part 1. ammonium bicarbonate content of acid-base titration; --- Part 2. potentiometric titration of chloride content; --- Part 3. sulphide content Visible turbidimetric method; --- Part 4. sulphate content Visible turbidimetric method; --- Part 5. ash content by weight method; --- Part 6. iron content - Phenanthroline spectrophotometric method; --- Part 7. arsenic content diethyl dithiocarbamate silver spectrophotometry; --- Part 8. arsenic content Gutzeit method; --- Part 9. heavy metal content Visible turbidimetric method. This part of GB/T 86276 Part of. This standard replaces GB/T 6276.8-1986 "industrial use ammonium bicarbonate arsenic content Gutzeit method." This portion of the GB/T 6276.8-1986 The main differences are. --- Reagent solution, standard titration solution preparation and calibration methods such as the implementation of HG/T 2843 standard. This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee centralized fertilizer and soil conditioner. This section drafted by. National Fertilizer Quality Supervision and Inspection Center (Shanghai). The main drafters of this section. Wang Ting, Zhong Wenyi. This section was first issued in 1986. Determination of ammonium bicarbonate industrial Part 8. arsenic content Gutzeit method

1 Scope

GB/T 6276 This section specifies the determination of industrial uses ammonium bicarbonate Gutzeit method of arsenic content. This section applies to industrial use ammonium bicarbonate arsenic content.

2 Normative references

The following documents contain provisions which, through reference to GB/T 6276 to the present, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, we are encouraged to reach agreement under this section All parties that proposed to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. HG/T 2843 fertilizer products for chemical analysis commonly used standard titration solution, standard solution, reagent solution and indicator solution Principle 3 Under acidic conditions, the metal zinc is reduced to arsine arsenic, arsine formation of red-brown spots on arsenic mercury bromide paper, and this Gutzeit Standard Levels were compared to determine the arsenic content.

4 Instrument

4.1 Arsenic set, see Figure 1. Millimeters 1 --- jars; 2 --- stopper; 3 --- glass; 4 --- glass upper nozzle; 5 --- glass cap. Figure 1 given arsenic ......

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