colorimetric reagent 中文意思是什麼
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( 2 ) the method of determining the concentration of tbh is studied in this paper. the concentration of normal - amount tbh can be determined by kios oxidation. the presence of hnoa in the titration media has no effect on the tritration results. the concentration of trace - amount tbh can be determined by colorimetric methodising paradimethylaminobenzaldehyde as a color reagent
（ 2 ）研究了tbh濃度的測定方法。 kio3氧化法能有效測定常量tbh的濃度， tbh溶液中存在一定濃度的hno3時對滴定結果沒有影響。以對二甲氨基苯甲醛為顯色劑，採用比色法能測定微量tbh的濃度。 -
Sodium salicylate - sodium hypochlorite spectrophotometric method, nessler ' s reagent colorimetric method and ion selective eletrode method ), the result obtained turns out to be satisfactory
並對靛酚藍分光光度法與納氏試劑分光光度法、離子選擇性電極法與納氏試劑分光光度法的樣品測定進行了對比分析，得到了滿意的結果。 -
Inguiry upon the optimal determination conditions of hydrogen nitride nitrogen in water with napierian reagent colorimetric method
納氏試劑比色法測定水中氨氮適宜條件探討 -
Determination of substances characteristic of green and black tea - content of total polyphenols in tea - colorimetric method using folin - ciocalteu reagent
綠茶和紅茶的物質特性測定.茶中多酚的總含量.使用folin - ciocalteu試劑的比色法 -
Water quality - determination of ammonium - nessler ' s reagent colorimetric method
納氏試劑比色法 -
Air quality. determination of ammonia. nessler ' s reagent colorimetric method
空氣質量氨的測定納氏試劑比色法
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