supply of 1 hydrochloric acid(hcl), concentration between 30-35, confirming to is:265 latest, grade technical, colourless fuming liquid free from dirt and other impurities, packed in hdpe container. test certificate report must be submitted as per is 2400 kg 2 sodium hydroxide or caustic soda in flakes/solid, confirming to is:252 latest, grade technical, color white, shelf life 1 year, free form dirt and other impurities, packed in hdpe bag. test certficate report must be submitted as per is.