AOAC UPDATE

• What is an ERP?

• Total S

• ICP- P & K

• ICP Trace Metals Nutritive and Non-Nutritive

• SR/CR Methods

• LC Urea

• Next Meeting Sept 25-27, I Think!

RELEVANCE OF ISO TO YOU, ME AND TFI

WHEN YOU THINK OF ISO -

• What part of the world do you think about?

• What products, services or processes do you think about?

• Are ISO standards of value to you or your organization?

• Do you think the US should participate in ISO standards development?

• Do you think the US fertilizer industry should participate in TC 134?

• Do you think your organization should support participation in TC 134?

TC 134 STANDARDS UNDER DEVELOPMENT

• Sampling from a conveyor by stopping the belt

• Mechanical devices for sampling of product moving in bulk

• Determination of ammoniacal nitrogen content - Titrimetric method

• Determination of total nitrogen content - Titrimetric method after distillation

• Extraction of water-soluble phosphates

• Determination of water-soluble potassium content

• Determination of phosphorus content - gravimetric method

• Determination of ammoniacal nitrogen content - Titrimetric method

• Extraction of phosphates soluble in mineral acids

• Preparation of samples for chemical and physical analysis

• Simple sampling method for small lots

• Determination of mineral-acid-soluble sulfate content -- Gravimetric method

Austria Israel Argentina

Canada Jordan Australia

China Kenya Bolivia

Colombia Malaysia Brazil

Czech Republic Netherlands Chile

Egypt Nigeria Columbia

Finland Russian Federation Mexico

France Spain Morocco

Germany Switzerland Peru

India Tanzania Poland

Iran United Kingdom Saudi Arabia

Israel United States South Africa

Trinidad and Tobago

Ukraine & Venezuela

Participating Member Countries Notably Absent

ISO- TC 134 Meeting in Brazil May 2017

Dr. Gang Liu

Director, Shanghai Research

Institute - Incoming Chair TC 134

Dr. Zhang Xiaogang

President, International

Standards Organization

Title Country

Marking - Presentation and Declarations China

Urea aldehyde slow release fertilizer -- General requirements China

Determination of Crude (Free) water content of Ammoniated Phosphate products -- DAP, MAP -- by gravimetric vacuum oven at 50 °C US

Liquid Chromatographic Determination of Urea in Water-Soluble Urea- Formaldehyde Fertilizer Products and in Aqueous Urea Solutions US

Determination of monosilisic acid concentrations in non-liquid fertilizers US

Determination of Humic and Fulvic Acids in Commercial Solid and Liquid Humic Products using Alkaline Extraction, Hydrophobic Adsorbent Resin and Gravimetric Determination US

Determination of total nitrogen by combustion US

Determination of Available Phosphorous and Soluble Potassium Extracted with Neutral Ammonium Citrate and quantified by ICP-OES USA

Determination of secondary nutrient and trace metals in fertilizers by mixed acid digestion and quantitation by ICP-OES USA

Title Country

Determination of different forms of nitrogen in the same sample,

containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (EN 15604)

Extraction of water soluble phosphorus (EN 15958)

Determination of extracted phosphorus (EN 15959)

Extraction of total Ca, Mg, Na and S in the forms of sulfates (EN 15960)

Fertilizer grade urea -- General requirements China

Determination of biuret content of urea-based fertilizers -- HPLC method China

Controlled release fertilizer -- General requirements China

Water soluble compound fertilizer -- General requirements China

Determination of ammoniacal nitrogen (EN 15475)

Determination of urea condensates using (PLC) - Isobutylidenediurea and

crotonylidenediurea (method A) and methylen-urea oligomers (method B) Germany

Determination of sulfates content using three different methods (EN 15749)

Sampling and sample preparation - Part 1: Sampling (EN 14821)

Title Country

Sampling and sample preparation - Part 2: Sample Preparation (EN 14822)

Determination of micro-amounts of inorganic anions in fertilizers by IC China

Determination of release rate of nutrients China

Determination of arsenic, cadmium, chromium, lead and mercury content China

Determination of potassium content - Potassium STPB gravimetric method China

Sulfur Coated Urea (SCU) -- Analytical methods China

Sulfur Coated Urea (SCU) -- General requirements China

Fertilizers and soil conditioners — Vocabulary China

Determination of Available Phosphorous and Soluble Potassium Extracted with

Neutral Ammonium Citrate and quantified by ICP-OES US

Determination of Secondary Nutrients and Trace Metals in Fertilizers by mixed

acid digestion and quantitation by ICP-OES US

Limiing Materials - Determination of size distribution by dry & wet sieving France

Liming Materials - Neutralizing value measurement determination France

Title Country

Liming Materials - Determination of size distribution by dry & wet sieving France

Liming Materials - Neutralizing value measurement determination France

Determination of Total sulfur by combustion USA

Compound fertilizers-general requirement China

Risk Assessment for heavy metals in fertilizers China

Determination of available phosphorous content in inorganic fertilizers -

EDTA extraction method China

Determination of Boron extracted with 5% hydrochloric acid and

determined by ICP-OES USA

SR Fertilizers - Sampling from a conveyor by stopping the belt ISO

SR Fertilizers - Presentation of sampling reports ISO

SR Solid fertilizers - Performance of mechanical devices for sampling product moving in bulk ISO

SR Fertilizers - Determination of ammoniacal nitrogen - Titrimetric method after distillation ISO

SR Fertilizers - Determination of total nitrogen content - Titrimetric method after distillation ISO

SR Fertilizers - Extraction of water-soluble phosphates ISO

SR Fertilizers - Determination of water-soluble potassium content - Preparation of test solution ISO

SR Fertilizers - Determination of phosphate - Quinoline phosphomolybdate gravimetric method ISO

SR Fertilizers - Determination of acid-soluble potassium content - Preparation of test solution ISO

SR Fertilizers - Determination of ammoniacal nitrogen content in the presence of other

substances releasing ammonia when treated with sodium hydroxide - Titrimetric method ISO

SR Final samples - Practical arrangements ISO

SR Fertilizers - Extraction of phosphates soluble in mineral acids ISO

SR Solid fertilizers - Reduction of samples ISO

SR Solid fertilizers - Preparation of samples for chemical and physical analysis ISO

SR Solid fertilizers - Simple sampling method for small lots ISO

SR Solid fertilizers - Determination of mineral-acid-soluble sulfate content - Gravimetric method ISO

METHODS FORUM

• Purpose – Deep Dive Into Methods Needs Development

•N-P-K Secondary Methods, ICP P & K – James Bartos – OISC

•Organic/Humic Matrices/Beneficial Substances/Microbials &

Enhanced Efficiency Materials – Hugh Rodrigues, Thornton Labs

•Micronutrients, Trace Metals & Contaminants – Sharon Webb, U of K

• Sizing, Sampling, Sample Preparation, & Quality Assurance Programs

– Frank Sikora, U of Ky Regulatory Services

• Next Forum – February 21-23, Savannah, GA