Methods for chemical analysis of vanadium pentoxide—The co-precipitation-extraction molybdenum blue spectrophotometric method for the determination of phosphorus content

NEPLATNÁ vydána dne 27.2.1987

Methods for chemical analysis of vanadium pentoxide--The barium sulphate gravimetric method for the determination of sulphur content

NEPLATNÁ vydána dne 27.2.1987

Methods for chemical analysis of vanadium pentoxide—The oscillopolarographic method for the determination of sulphur content

NEPLATNÁ vydána dne 27.2.1987

Methods for chemical analysis of vanadium pentoxide—The AgDDTC spectrophotometric method for the determination of arsenic content

NEPLATNÁ vydána dne 27.2.1987

Methods for chemical analysis of vanadium pentoxide—The atomic absorption spectrophotometric method for the determination of sodium oxide and potassium oxide contents

NEPLATNÁ vydána dne 27.2.1987

Test method for refractoriness of refractory mortar

NEPLATNÁ vydána dne 1.1.1987

Test method for hot rupture bonding strength of refractory mortar

NEPLATNÁ vydána dne 1.1.1987

Test method for sieve analysis of refractory mortar

NEPLATNÁ vydána dne 1.1.1987

Test method for coefficient of linear change of refractory mortar

NEPLATNÁ vydána dne 1.1.1987

Gunnybags—Grading stipulation

NEPLATNÁ vydána dne 19.11.1987