Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual c...
The method is applicable to products having aldehyde contents in the range 0.00025 % (m/m) to 0.00125 % (m/m). The principle is based on the reaction of the aldehydes present in a test portion with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of acetaldehyde. - International Standards ISO 1388/1 to ISO…
Paper Sizes for Single Part Continuous Business Forms
Specifies a series of sizes for single part continuous forms used
in processing paperwork documentation for handwritten and/or
machine-written applications. The standard also specifies the
diameter and location of the sprocket feed holes and margins. It
specifies a common physical format and tolerances for continuous
forms so as to ensure compatibility between such documents and
office and…
1.1 Scope
1.1.1 This standard applies to newly produced domestic gas ranges (see Part III, Definitions) constructed entirely of new, unused parts and materials
(a) for use with natural gas,
(b) for use with propane,
(c) for installation in mobile housing or recreational vehicles for use with propane only (see 1.2.22), and
(d) for installation in mobile housing or recreational…
Principal Uses and Terminology for Asphalt Materials for Road Purposes
This standard is a guide identifying in chart form the principal
uses of road asphalt materials and listing definitions of terms
used to describe road asphalt materials and their applications.
The purpose of this standard is to assist road designers and
material specifiers in the selection and specification of common
road asphalt materials for new roads and the repair of old roads.
This…
Guide for Loading Dry-Type Distribution and Power Transformers
1. Scope
1.1 This Standard covers general recommendations for loading dry-type distribution and power transformers that have in sulation systems limited to 150, 185 and 220°C maximum hottest-spot operating temperatures, manufactured in accordance with CSA Standard C9, Dry-Type Transformers.
This standard covers the construction and performance of domestic
conversion burners for use with natural gas and propane with
inputs of not more than 400 000 Btu/h (120 kW).
1. Scope
1.1 This Standard applies to single-phase and 3-phase dry-type transformers within the limits of the electrical ratings listed in Clauses 6.2 and 6.3, and intended to be used in accordance with the service conditions for dry-type transformers outlined under Appendices A and B.
Note: For information on the loading of dry-type transformers see CSA Standard C9.1, Guide for Loading…
Fruits, vegetables and derived products — Determination of volatile acidity
The method consists in acidifying a test portion with tartaric acid, entraining the volatile acids by steam distillation and titrating the distillate with standard volumetric sodium hydroxide solution in the presence of phenolphthalein as an indicator. The method is applicable to all fresh products, to products preserved without chemical preservatives, and to products to which sulphur dioxide has…
