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NEPLATNÁ ASTM E1178-08 15.12.2008 náhled

Doplňující informace

ASTM E1178-08

Standard Test Methods for Analysis of Acrylonitrile (Withdrawn 2016)

Automaticky přeložený název:

Standardní zkušební metody pro analýzu akrylonitrilu

NORMA vydána dne 15.12.2008

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Provedení	PDF - okamžité stažení - 1 924.40 Kč Tištěné - 1 924.40 Kč
Dostupnost	SKLADEM
Cena	1924.40 Kč bez DPH
1 924.40 Kč

Informace o normě:

Označení normy: ASTM E1178-08
Poznámka: NEPLATNÁ
Datum vydání normy: 15.12.2008
Kód zboží: NS-40747
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Kategorie - podobné normy:

Organické sloučeniny dusíku

Anotace textu normy ASTM E1178-08 :

Keywords:

absorbance, acrylonitrile, color, end point, HCN, MEHQ, spectrophotometer, titration, water, Acrylonitrile, Color--organic/inorganic chemicals, Hydrogen cyanide, Impurities--chemicals, p-Methoxyphenol (MEHQ), Water content--chemicals, ICS Number Code 71.080.30 (Organic nitrogen compounds)

Doplňující informace

Significance and Use

These test methods provide for the determination of color and various impurities in acrylonitrile. Color and impurity levels are important factors in many uses of acrylonitrile.

1. Scope

1.1 These test methods cover the analysis of acrylonitrile.

1.2 The analytical procedures appear in the following order:

	Sections
Color	7 to 9
Hydrogen Cyanide	10 to 18
p-Methoxyphenol	19 to 28
Water	29 to 32

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 Review the current Material Safety Data Sheets (MSDS) for detailed information concerning toxicity, first aid procedures, and safety precautions.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Section 5 for specific hazards statements.

10.1 This test method covers the determination of HCN over the concentration of 0.5 to 10 μg/g in acrylonitrile.

19.1 This test method covers the determination of p-methoxyphenol (MEHQ) in acrylonitrile. MEHQ is added to acrylonitrile to prevent polymerization during storage and shipment.

29.1 This test method covers the determination of water in the concentration of 0.05 to 3.0 mass (m/m) percent in product acrylonitrile.

2. Referenced Documents

E180-03	Standard Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals (Withdrawn 2009)
E203-24	Standard Test Method for Water Using Volumetric Karl Fischer Titration
E60-11(2022)e1	Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022).
D1209-05(2019)	Standard Test Method for Color of Clear Liquids (Platinum-Cobalt Scale)
D1193-06(2018)	Standard Specification for Reagent Water
E200-23	Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis