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製品情報
モデル: TF-2010
ブランド: 天府市
包装: バイヤーの要求として
生産高: 100Ton
輸送方法: Ocean,Land,Air,DHL，TNT
原産地: 中国
についてのサポート: 50Ton
認証 : ISO
ポート: Shanghai port,Qingdao port
お支払い方法の種類: L/C,T/T,D/P,Paypal,Money Gram,Western Union
インコタームズ: FOB,CFR,CIF,EXW,FCA,CPT,CIP
フェノールフタレインは式Ｃ ２０ Ｈ １４ Ｏ ４を有する化合物であり、しばしば略記法で「ＨＩｎ」または「ｐｈｐｈ」と書かれる。滴定によく使用され、酸性溶液では無色になり、塩基性溶液ではピンクになります。指示薬の濃度が特に強い場合は、紫色に見えることがあります。強塩基性溶液では、フェノールフタレインのピンク色はやや緩やかな退色反応を受け、再び無色になります。
|
Items |
Standards |
Results |
|
Characteristics |
A white or almost white powder ,practically insoluble in water ,soluble in alcohol |
Conform |
|
Melting temperature |
≥260℃ |
260.5℃~262.6℃ |
|
Identification |
A Positive B Positive |
A Positive B Positive |
|
Appearance of solution |
The solution is clear and not more intensely coloured than reference solution Y7 |
Complies |
|
Related substances |
Less than 0.5% |
< 0.5% |
|
Heavy metals |
≤10ppm |
<10ppm |
|
Arsenic |
≤8ppm |
<8ppm |
|
Acidity or Alkalinity |
Complies |
Complies |
|
Chlorides |
≤100ppm |
<100ppm |
|
Sulphates |
≤200ppm |
<200ppm |
|
Organic volatile impurities |
pass |
pass |
|
Chromatographic impurities |
≤1.0% |
<1.0% |
|
Fluoran |
To pass test |
Complies |
|
Loss on drying |
≤0.50% |
0.10% |
|
Sulphated ash (Residue on ignition) |
≤0.10% |
0.02% |
|
Assay |
98.0%~101.0% (C20H14O4) |
99.8% |
|
Remark |
Storage condition: Well closed container, store protected from light |
|
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.