GOST 4214-78
ГОСТ 4214-78
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Reagents. Silicic acid aqueous. Specifications
Реактивы. Кислота кремневая водная. Технические условия
Status: Effective - Supersedes. The limitation of the effectiveness period has been lifted: Protocol No. 4-93 of the IGU dated 10.21.93 (IUS 4-1994)
The standard applies to aqueous silicic acid (silicon (IV) water oxide), which is a white amorphous powder; insoluble in nitric, hydrochloric and sulfuric acids; easily soluble in hydrofluoric acid and in hot solutions of alkalis; when standing, it is gra
Стандарт распространяется на водную кремневую кислоту (кремния (IY) оксид водный), представляющий собой белый аморфный порошок; нерастворима в азотной, соляной и серной кислотах; легко растворима во фтористоводородной кислоте и в горячих растворах щелочей
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Format: Electronic (pdf/doc)
Approved: USSR State Committee for Standards,
11/17/1978
SKU: RUSS56305
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 »
L51 Inorganic reagents »
National Standards for OKSTU »
CHEMICAL REAGENTS AND HIGH PURITY SUBSTANCES »
Inorganic acids »
As a Replacement Of:
GOST 4214-70: Silica water-borne acid
The Document References:
GOST 10484-73: Hydrofluoric acid
GOST 10484-78: Reagents. Hydrofluoric acid. Specifications
GOST 10555-75: Reagents and high-purity substances
GOST 10671.5-74: Reagents. Methods for the determination of sulfates
GOST 10671.7-74: Reagents. Methods for the determination of chlorides
GOST 17319-76: Reagents. Methods for the determination of heavy metals
GOST 27025-86: Reagents. General test requirements
GOST 3118-77: Reagents. Hydrochloric acid. Specifications
GOST 3885-73: Reagents and superpure substances. Regulations of acceptance, sampling, packing, marking, transportation and storage
GOST 4204-77: Reagents. Sulphuric acid. Specifications
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