1) Suphuric acidchromotropic acid mehtod
硫酸变色酸法
2) off-color acid method
变色酸法
1.
The off-color acid method was used to determine methyl in wastewater produced from the gas fields in West-North Sichuan Province.
目前西南油气田一些监测站尚不具备用甲醇分析气相色谱法的相应能力,因此通过比色定量分析实验,用变色酸法测定废水中甲醇。
3) Phenol-Sulfuric Acid Colorimetry
苯酚-硫酸比色法
1.
Determination of polysaccharide in Armillariella tabescens by phenol-sulfuric acid colorimetry;
亮菌多糖的苯酚-硫酸比色法含量测定
4) phenol-vitriolic colorimetry
苯酚-硫酸比色法
1.
The content of glucomanna determined by phenol-vitriolic colorimetry was 61.
处理过的鲜花魔芋样品经50%乙醇浸泡除杂,水提醇沉,以葡萄糖为标准品,用苯酚-硫酸比色法测定其中葡甘聚糖的含量。
2.
The content of water-soluble polysaccharides determined by phenol-vitriolic colorimetry was (33.
南瓜干粉样品经甲醇回流脱脂,热水提取、乙醇沉淀,以葡萄糖为对照品,用苯酚-硫酸比色法测定其中水溶性多糖的含量。
3.
Method Content determination with phenol-vitriolic colorimetry.
方法 采用苯酚-硫酸比色法。
5) ammonium thiocyanate colorimetry
硫氰酸铵比色法
1.
Aluminum sample with higher content of ferrum measured by ammonium thiocyanate colorimetry could be added to working curves of aluminum ferrum in sending spectrum by combining ammonium thiocyanate colorimetry .
5 7%的试样,而在用硫氰酸铵比色法测定时,一般可以测定Fe达到4。
6) sulfuric acid-anthrone colorimetric method
硫酸-蒽酮比色法
1.
Methods The content was determined by sulfuric acid-anthrone colorimetric method with wavelength at (624±1)nm.
方法采用硫酸-蒽酮比色法于波长(624±1)nm处测定吸光度。
补充资料：双(苯磺酸偶氮)变色酸
CAS: 1738-02-9
分子式: C22H16N4O14S4
分子量: 688.62
熔点: 0.3℃
中文名称: 偶氮磺；4,5-二羟基-3,6-双[(2-磺基苯基)偶氮]-2,7-萘二磺酸；双(苯磺酸偶氮)变色酸
英文名称: Sulfonazo III
7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-2
sulfonazo iii tetrasodium salt
2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-
分子式: C22H16N4O14S4
分子量: 688.62
熔点: 0.3℃
中文名称: 偶氮磺；4,5-二羟基-3,6-双[(2-磺基苯基)偶氮]-2,7-萘二磺酸；双(苯磺酸偶氮)变色酸
英文名称: Sulfonazo III
7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-2
sulfonazo iii tetrasodium salt
2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3,6-bis[(2-sulfophenyl)azo]-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条