[Soda Ash Knowledge] Daily Question (53) 09.11.25
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Please hide the replies; no scoring will be given in principle if they are not hidden. Specific hiding method: http://bbs.hcbbs.com/viewthread.php?tid=492556&highlight=%D2%FE%B2%D8 Posts that have been edited are not rated. (The question in this issue is taken from page 75 of \"Technical Worker Training Question Bank – Soda Ash Production Operators.\" An electronic version of this book is available for download at the soda ash information sharing site: http://bbs.hcbbs.com/thread-13140-1-2.html) Fill-in-the-blank question: 16. The NH3 content in the ammonia-evaporation waste liquid is 0.04 g/L, and its density is 1.10 g/cm3. What is the equivalent value in ppm? ( ) ppm. 17. The Chinese name for EDTA is ( ). 18. The turbidity standard solution is preferably replaced ( ) once.
16. The NH3 content in the ammonia vaporization waste liquid is 0.04 g/L, with a density of 1.10 g/cm3; converted to ppm, this is (36.37) ppm. 17. The Chinese name for EDTA is (disodium ethylenediaminetetraacetate). 18. The turbidity standard solution should be replaced preferably (monthly).
16. The NH3 content in the ammonia vaporization waste liquid is 0.04 g/L, with a density of 1.10 g/cm3; converted to ppm, this is (36.37) ppm. 17. The Chinese name for EDTA is (disodium ethylenediaminetetraacetate). 18. The turbidity standard solution should be replaced preferably (monthly).
36.37 Disodium ethylenediaminetetraacetate per month
16, 36.37 17, Disodium ethylenediaminetetraacetate 18, Monthly
16.36.37 17. Disodium ethylenediaminetetraacetate 18. Monthly
16. The NH3 content in the ammonia vaporization waste liquid is 0.04 g/L, with a density of 1.10 g/cm3; converted to ppm, this equals (36.37) ppm. 17. The Chinese name for EDTA is (disodium ethylenediaminetetraacetate). 18. The turbidity standard solution should be replaced preferably (monthly).
16. 36.37 17. Disodium ethylenediaminetetraacetate 18. Monthly
16. The NH3 content in the ammonia vaporization waste liquid is 0.04 g/L, with a density of 1.10 g/cm3; converted to ppm, this equals (36.37) ppm. 17. The Chinese name for EDTA is (disodium ethylenediaminetetraacetate). 18. It is best to replace the turbidity standard solution (monthly). 1# chen3jun
16. The NH3 content in the ammonia vaporization waste liquid is 0.04 g/L, with a density of 1.10 g/cm3; converted to ppm, this is (36.37) ppm. 17. The Chinese name for EDTA is (disodium ethylenediaminetetraacetate). 18. The turbidity standard solution should be replaced preferably (monthly).
6, 36.37 7、Disodium ethylenediaminetetraacetate 8、Monthly