GOST R 50673-94
ГОСТ Р 50673-94
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Household chemical products. Method for determination of sulphur-bearing reductants mass fraction
Товары бытовой химии. Метод определения массовой доли серосодержащих восстановителей
Status: Not effective - Canceled. Registration information 1813-st dated November 22, 2013 (official site of Rosstandart)
This standard applies to household products (washing, cleaning, bleaching, stain-removing and other means) and establishes a method for determining the mass fraction of sulfur-containing reducing agents: - hydrosulfite (dithionite) sodium; - rongalite (sodium formaldehyde sulfoxylate); - sodium thiosulfate (sodium sulphate); - sodium pyrosulphite (sodium metabisulphite); - sodium sulfite (sodium sulfate). The essence of the method consists in direct or reverse iodometric titration of a sulfur-containing reducing agent in an acidic or neutral environment.
Настоящий стандарт распространяется на товары бытовой химии (моющие, чистящие, отбеливающие, пятновыводящие и другие средства) и устанавливает метод определения массовой доли серосодержащих восстановителей: - гидросульфита (дитионита) натрия; - ронгалита (формальдегидсульфоксилата натрия); - тиосульфата натрия (натрия серноватистокислого); - пиросульфита натрия (метабисульфита натрия); - сульфита натрия (натрия сернистокислого). Сущность метода заключается в прямом или обратном йодометрическом титровании серосодержащего восстановителя в кислой или нейтральной среде
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Format: Electronic (pdf/doc)
Approved: Gosstandart of Russia,
6/8/1994
SKU: RUSS53441
The Product is Contained in the Following Classifiers:
PromExpert »
SECTION I. TECHNICAL REGULATION »
V Testing and control »
4 Testing and control of products »
4.9 Testing and control of chemical and industrial products »
4.9.5 Household chemicals, perfumes and cosmetics »
ISO classifier »
71 CHEMICAL INDUSTRY »
71.100 Chemical products »
71.100.40 Surfactants »
National standards »
71 CHEMICAL INDUSTRY »
71.100 Chemical products »
71.100.40 Surfactants »
National Standards for KGS (State Standards Classification) »
Latest edition »
U Products of cultural and domestic purposes »
U2 Household Items »
U29 Test methods. Packaging. Marking »
National Standards for OKSTU »
PAINT MATERIALS, SEMI-PRODUCTS, FILM, PHOTO AND MAGNETIC MATERIALS AND HOUSEHOLD CHEMICALS »
Control methods (testing, analysis, measurements) »
National Standards for OKSTU »
PAINT MATERIALS, SEMI-PRODUCTS, FILM, PHOTO AND MAGNETIC MATERIALS AND HOUSEHOLD CHEMICALS »
Household chemicals »
The Document References:
GOST 10163-76: Reagents. Soluble starch. Specifications
GOST 1625-89: Formalin for industrial use. Specifications
GOST 1770-74: Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 24104-88: General purpose and reference laboratory balances
GOST 25336-82: Laboratory glassware and equipment. Basic parameters and dimensions
GOST 25794.2-83: Reagents. Methods for preparation of standard volumetric solutions for redox titration
GOST 27068-86: Reagents. Sodium thiosulphate 5-aqueous. Specifications
GOST 29169-91: Laboratory glassware. One-mark pipettes
GOST 29251-91: Laboratory glassware. Burettes. Part 1. General requirements
GOST 4159-79: Reagents. Iodine. Specifications
GOST 4204-77: Reagents. Sulphuric acid. Specifications
GOST 4919.1-77: Reagents and matters of special purity. Methods for preparation of indicators solutions
GOST 61-75: Reagents. Acetic acid. Specifications
GOST 6709-72: Distilled water. Specifications
GOST 9147-80: Laboratory porcelain ware and apparatus. Specifications
The Document is Referenced By:
GOST R 51696-2000: Goods of household chemistry. General technical requirements
GOST R 52488-2005: Laundry detergents. General specifications
MR 1.2.0036-11: Control of nanomaterials in disinfectants and household chemicals
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