supply of chemical for nabl lab water testing work laboratory p h e sub division manasa-1 edta n / 50 solution make- envirnotech, merck, loba chemie 2 erio-chrome black t indicator solution make- envirnotech, merck, loba chemie 3 potassium chromate indicator solution make- envirnotech, merck, loba chemie 4 mixed indicator for alkalinity with coa and sds make- envirnotech, merck, loba chemie 5 petton reeder indicator solution with coa and sds make- envirnotech, merck, loba chemie 6 silver nitrate 0.0141n solution with coa and sds make- envirnotech, merck, loba chemie 7 sulphate standard 100mg / l with nist traceability certificate make- envirnotech, merck, loba chemie 8 conditioning reagent with coa and sds make- envirnotech, merck, loba chemie 9 mixed zirconyl alizarin red s solution with coa and sds make- envirnotech, merck, loba chemie 10 phenol di sulphonic acid 25 percentw / v with coa and sds make- envirnotech, merck, loba chemie 11 ammonia solution 25percent with coa and sds make- envirnotech, merck, loba chemie 12 nitrate standard pda added 100mg / l no3 with coa and sds make- envirnotech, merck, loba chemie 13 iron standard 100mg / l with nist traceability certificate make- envirnotech, merck, loba chemie 14 special reagent for manganese with coa and sds make- envirnotech, merck, loba chemie 15 manganese standard 100mg / l with nist traceability certificate make- envirnotech, merck, loba chemie 16 membrane individually sterilized dia 47 mm pore size, 0.45 μm grided make- envirnotech, merck, loba chemie 17 ready to use arsenic test kit set as per laboratory test method for 100 samples in water. range from 0.01, 0.025, 0.05, 0.1, 0.2, 0.3, 0.5 and 1.0 ppm make- envirnotech, merck, loba chemie 18 reagent grade 1 water conductivity less than 2 with coa and sds make- envirnotech, merck, loba chemie 19 lab cleaning solution max solid 8 percent with coa and sds make- envirnotech, merck, loba chemie 20 ammonium buffer solution make- envirnotech, merck, loba chemie 21 sodium acetate solution 25 percent make- envirnotech, merck, loba chemie 22 hydroxylamine hydrochloride 10percentsolution make- envirnotech, merck, loba chemie 23 1-10 phenanthroline assay min 99 percent make- envirnotech, merck, loba chemie 24 barium chloride ( grade ar / gr ) make- envirnotech, merck, loba chemie 25 ph electrode filling solution with coa and sds 26 hydrochloric acid ( grade ar / gr ) make- envirnotech, merck, loba chemie 27 sodium hydroxide pellets ( ar / gr ) make- envirnotech, merck, loba chemie 28 ortho toledine ( grade ar / gr ) make- envirnotech, merck, loba chemie 29 inhibitor i for removal of metal interferace in hradness test- envirnotech, merck, loba chemie 30 phenopthelene indicator solution ( grade lr ) make- envirnotech, merck, loba chemie 31 sulphuric acid n / 50 ( grade ar / gr ) 90% make- envirnotech, merck, loba chemiemake- envirnotech, merck, loba chemie 32 universal indicator solution ph 4-11 ( grade ar ) make- envirnotech, merck, loba chemie 33 sodium hydroxide solution 1n ar grade ( naoh ) make- envirnotech, merck, loba chemie