MS 506:1977 (Previously numbered as MS 1.124:1977) (CONFIRMED:2020)
SPECIFICATION FOR AMMONIA (ANHYDROUS AND AQUEOUS)
The specifications listed on this standard are essentially for the materials, classified as anhydrous ammonia and aqueous ammonia.The requirements for anhydrous ammonia cover the grade of material used for refrigeration and for chemicals manufacture.The requirements of aqueous ammonia cover the grade of material used as a dry diazo print developer for white print machines, as a cleansing agent and miscellaneous uses.The requirements for anhydrous and aqueous ammonia cover the grade of, material used as an anti-coagulant for fresh natural rubber latex, and as a long-term preservative for natural rubber latex concentrate.
