GOST 4919.2-77
ГОСТ 4919.2-77
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Reagents and matters of special purity. Methods for preparation of buffer solutions
Реактивы и особо чистые вещества. Методы приготовления буферных растворов
Status: Not effective - Superseded. Registration information 1689-st dated November 15, 2016 (the official website of Rosstandart); IUS 6-2017
The standard applies to reagents and highly pure substances, establishes methods for preparing working buffer solutions used to create an environment with a specific pH value, colorimetric determination of the pH range of the color transition of acid-base indicators, as well as for carrying out certain reactions.
Стандарт распространяется на реактивы и особо чистые вещества, устанавливает методы приготовления рабочих буферных растворов, применяемых для создания среды с определенным значением рН, колориметрического определения интервала рН перехода окраски кислотно-основных индикаторов, а также для проведения некоторых реакций.
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Format: Electronic (pdf/doc)
Approved: State Committee of Standards of the Council of Ministers of the USSR,
2/28/1977
SKU: RUSS66041
The Product is Contained in the Following Classifiers:
PromExpert »
SECTION I. TECHNICAL REGULATION »
V Testing and control »
3 Activities of testing laboratories »
3.2 Technical equipment of testing laboratories »
3.2.3 Chemical reagents and highly pure substances »
3.2.3.1 Reagents »
ISO classifier »
71 CHEMICAL INDUSTRY »
71.040 Analytical Chemistry »
71.040.30 Chemical reagents »
National standards »
71 CHEMICAL INDUSTRY »
71.040 Analytical Chemistry »
71.040.30 Chemical reagents »
National Standards for KGS (State Standards Classification) »
Latest edition »
L Chemical products and rubber-asbestos products »
L5 Reagents and highly pure substances »
L59 Test methods. Packaging. Marking »
National Standards for OKSTU »
CHEMICAL REAGENTS AND HIGH PURITY SUBSTANCES »
General rules and regulations »
National Standards for OKSTU »
CHEMICAL REAGENTS AND HIGH PURITY SUBSTANCES »
Chemical reagents for analytical and general laboratory purposes »
The Document is Replaced With:
GOST 4919.2-2016: Reagents and matters of special purity. Methods for preparation of buffer solutions
The Document References:
GOST 1770-74: Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications
GOST 199-78: Reagents. Sodium acetate 3-aqueous. Specifications
GOST 27025-86: Reagents. General test requirements
GOST 29251-91: Laboratory glassware. Burettes. Part 1. General requirements
GOST 29252-91: Laboratory glassware. Burettes. Part 2. Burettes for which no waiting time is specified
GOST 29253-91: Laboratory glassware. Burettes. Part 3. Burettes for which a waiting time of 30 s is specified
GOST 3118-77: Reagents. Hydrochloric acid. Specifications
GOST 3652-69: Reagents. Citric acid monohydrate and anhydrous. Specifications
GOST 4172-76: Reagents. Disodium hydrogen phosphate dodecahydrate. Specification
GOST 4198-75: Reagents. Potassium dihydrogen phosphate. Specifications
GOST 4199-76: Reagents. 10-aqueous sodium tetraborate. Specifications
GOST 4233-77: Reagents. Sodium chloride. Specifications
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GOST 8.134-98: State system for ensuring the uniformity of measurements. pH Scale for aqueous solutions
GOST 8.135-2004: State system for ensuring the uniformity of measurements. Weight amounts of the standard materials for preparation of the buffer solutions - operational pH standards of 2-nd and 3-rd classes. The technical and the metrological characteristics. Methods of them determination
GOST 83-79: Reagents. Sodium carbonate. Specifications
The Document is Referenced By:
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