与 «ORTHOBORIC ACID»相关的英语书籍
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1
Competition Science Vision
Structure of orthoboric acid — Structure contains BOs3- units. In the solid the B(
OH)3 units are hydrogen bonded together into two dimensional sheets with
almost hexagonal symmetry. The layers are quite a large dis- o tance apart i.e.,
nearly ...
2-9-9 Boric Acid/Ortho boric acid Orthoboric acid is formed when the boron
halides are hydrolysed or when dilute hydrochloric acid is added to a solution of
borax. Na2B4O7 + 2HCI + 5H,O □* 4H,BO3 + 2NaCI It can also be obtained by
the ...
C. Parameshwara Murthy, 2008
3
Concise Encyclopedia Chemistry
Orthoboric acid: H3BO3, colorless, scaly, water-soluble triclinic crystals, A/r 61.83
, density 1.435, m.p. on rapid heating, 169°C. However, B. dehydrates starting at
70 °C to metabolic acid [HBO3]n, which is converted around 300 °C to borox- ...
4
Text Book Of Inorganic Chemistry
Boron trioxide in an acidic oxide and slowly reacts with water, forming orthoboric
acid. When fused with metallic oxides it forms borate glasses which are often
coloured; this is the basis of the borax bead test in qualitative analysis. Orthoboric
...
5
Methods of Test for
Orthoboric Acid (Boric
Acid), ...
Boric acid, Boric oxide, Borax, Tetraborates, Perborates, Borates, Boron inorganic compounds, Hydrates, Industrial, Sodium inorganic compounds, Chemical analysis and testing, Determination of content
British Standards Institute Staff, British Standards Institution, 1986
6
Objective Question Bank in Chemistry
These are (1) Boric acid or orthoboric acid (H3BO3 or B203.3H20). (2) Metaboric
acid (HB02 or B2O3.H2O) and (3) Tetraboric acid (H2B4O7 or 2B2O3.H2O). In
addition, pyroboric acid (H6B4O9 or 2B2O3.3H2O) is also known. Orthoboric
acid ...
7
Super Course in Chemistry for the IIT-JEE: Inorganic Chemistry
In solid state, boric acid exists in three different forms known as (i) Orthoboric acid
, H2BO2 (ii) Metaboric acid, HBO2 (iii) Tetraboric acid, H2B2O7 In aqueous
solutions, meta and tetraboric acid are converted into orthoboric acid. However,
salts ...
Trishna Knowledge Systems
8
Dictionary of Environmentally Important Chemicals
Boron(III) oxide and orthoboric acid are highly toxic substances with multiple sites
of reaction. In particular, they display hepatotoxic and gonadotropic activity and
can be embryotoxic by virtue of being able to pass through the placental barrier.
David C. Ayres, Desmond G. Hellier, 1997
9
S.Chand Success Guide Inorganic Chemistry
Metaboric acid is prepared by heating orthoboric acid to 373 K. 373 K °-, H3 B03
- » HB02 'HO . H ~ H2O Metaboric acid - '' Dehydration of orthoboric acid takes
place resulting in t \ \j o OH metabonc acid. \ / Properties. Metaboric acid is a ...
10
Methods of Test for
Orthoboric Acid (boric
Acid), ...
Sodium inorganic compounds, Borates, Industrial, Determination of content, Calcium, Magnesium, Volumetric analysis, Chemical analysis and testing, Concentration (chemical), Specimen preparation, Solutions, Testing conditions, Interferences ...
British Standards Institute Staff, 1986
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RICHARD FAGERLUND: Less-toxic substances kill pests
Niban Bait is a granular bait made from Orthoboric acid. It is an excellent bait for controlling cockroaches and is also labeled for controlling ... «Rio Rancho Observer, 三月 15»
[Ant Control Issue] Managing Ants in the National Zoological Park
Three granular baits, containing abamectin, orthoboric acid, and hydramethylnon, were also tested mainly outside the exhibits because there ... «PCT Magazine, 四月 12»
