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ISO 7103:1982 PDF — Liquefied anhydrous ammonia for industrial use — Sampling — Taking a… — GOST Standards

//ISO 7103:1982

ISO 7103:1982

Name: ISO 7103:1982 — Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample
SKU: ISO 7103:1982
Price: 25 EUR
Availability: InStock

Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample

Название (английский):

ISO 7103:1982

Liquefied anhydrous ammonia for industrial use — Sampling — Taking a laboratory sample

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 1 декабря 1982 г.
Издание:: ISO IS 7103 edition 1 version 1
ICS:: 71.060.99

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

Specifies the apparatus and the procedure to be used. The procedure consists in removal of a sample into stainless steel cylinder, which has previously been cleaned, dried and evacuated and filling of the sampling cylinder with the stipulated quantity that is permissible with regard to safety. The filling shall never exceed 75 % of the capacity of the cylinder at ambient temperature.

Abstract

Overview

Key Topics

Sampling Procedure
The standard describes the method to extract a laboratory sample from containers such as barrels, cylinders, or tanks. The sample is collected into a stainless steel cylinder, which is pre-cleaned, dried, evacuated, and then filled with ammonia liquid. Filling must not exceed 75% of the cylinder's capacity at ambient temperature to ensure safety.
Apparatus Requirements
- Stainless steel sampling cylinder with a minimum 1-litre capacity and able to withstand pressures of at least 3 MPa (30 bar).
- Two needle valves for safe filling and vapour release.
- Connecting tube made from ammonia-resistant materials (e.g., stainless steel or rubber) designed to withstand 3 MPa pressure.
- Three-way valve for controlled flow from the container to atmosphere or sampling cylinder.
- Vacuum pump used to evacuate and prepare the sampling cylinder before use.
- Balance with 1-gram precision to verify the sample weight.
- Electric oven capable of drying the cylinder at 105-110°C.
Safety Considerations
Liquefied anhydrous ammonia is highly corrosive and toxic, causing severe burns and respiratory irritation. It can form explosive mixtures with air at concentrations of 16-25% gas volume. Personnel must wear full protective gear including rubber gloves, apron, full face and head protection, and a protective gas mask with ammonia filters. Sampling should be conducted inside a well-ventilated fume cupboard.
Sample Verification
After filling, the cylinder should be weighed to confirm the volume of ammonia does not exceed the safe limit. Excess product must be carefully vented to avoid overfilling.

Applications

Industrial Quality Control
ISO 7103:1982 ensures that samples of liquefied anhydrous ammonia used in industrial processes are representative and handled safely, enabling accurate laboratory testing for quality assurance.
Chemical Analysis
Reliable and standardized sampling methods support analytical laboratories in testing for purity, contamination, and compliance with product specifications.
Safety Compliance
Following the standard helps companies meet safety regulations and reduce risks associated with handling and sampling hazardous liquefied gases.
Transport and Storage Monitoring
Sampling is vital for verifying container contents during transport or storage of liquefied ammonia, preventing accidents linked to improper handling.

Related Standards

ISO 3165: Sampling of Chemical Products for Industrial Use – Safety in Sampling
Provides supplementary safety guidelines applicable during the sampling of chemical substances, including ammonia.
ISO/TC 47: Chemistry Technical Committee
The ISO technical committee responsible for developing standards related to chemical sampling and analysis.
International Union of Pure and Applied Chemistry (IUPAC) Guidelines
ISO 7103 has been approved by IUPAC, aligning it with internationally recognized chemical standards.

Keywords: ISO 7103, liquefied anhydrous ammonia, industrial ammonia, ammonia sampling, stainless steel cylinder, laboratory sample, ammonia safety, chemical sampling apparatus, ammonia handling procedures, ISO sampling standards

Технические детали

Технический комитет: ISO/TC 47 - Chemistry
SKU: ISO 7103:1982

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PDF

ISO 7103:1982

Abstract

Overview

Похожие стандарты

Key Topics

Applications

Related Standards

Технические детали

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