Cov khoom

Daim ntawv thov: Edible liab No. 2 pigment (amaranth liab pigment) yog Japanese zaub mov hluavtaws pigment (Japan Kuei Chemicals Co., Ltd.), nrog rau cov ntsiab lus ntawm ntau tshaj 85%, hmoov daim ntawv, 5kg / chim nyob rau hauv thawj Japanese ntim , feem ntau yog siv rau kev tsim khoom thiab kev ua haujlwm ntawm ntau yam khoom noj, Cov khoom tsim yog ci xim, resistant rau lub teeb thiab kub, thiab yuav tsis ploj tom qab lub sij hawm ntev cia.

Chemical Properties: Reddish-xim av rau tsaus reddish-xim av hmoov los yog granules.Tsis hnov ​​tsw.Nws muaj zog tiv thaiv lub teeb thiab kub tsis kam (105 ° C), thiab muaj oxidation tsis zoo thiab txo qis.Nws tsis haum rau cov khoom noj fermented thiab cov khoom noj uas muaj cov tshuaj txo qis.Stable rau citric acid thiab tartaric acid.Nws puv tsaus liab nyob rau hauv cov ntaub ntawv ntawm alkali.Nws yog ib qho yooj yim kom ploj mus yog tooj liab thiab hlau.Lub zog dyeing tsis muaj zog.Soluble hauv dej (17.2g / 100ml, 21 ℃) thiab glycerol.Cov tshuaj aqueous yog purplish.Me ntsis soluble hauv ethanol (0.5g / 100mL ntawm 50% ethanol).

Siv: siv rau xim ntawm cov zaub mov, tshuaj thiab tshuaj pleev ib ce.

Siv: siv los ua zaub mov xim, tshuaj thiab tshuaj pleev xim kom zoo nkauj

Kev Siv: Siv los ua cov xim zaub mov, kuv lub teb chaws tau hais tias nws tuaj yeem siv rau hauv cov xim liab thiab ntsuab, dyed kaus poom txiv ntoo (rau kho kom zoo nkauj), qhov siab tshaj plaws siv yog 0.10g / kg;nyob rau hauv ntau yam dej haus, npaj caw, khoom qab zib, thiab ncuav mog qab zib, ntsuab plum, hawthorn khoom thiab dipping tais diav, qhov siab tshaj plaws pab yog 0.05g / kg.

Kev Siv: Raws li tus neeg saib xyuas xim zaub mov, kuv lub teb chaws tau teev tseg tias nws tuaj yeem siv rau hauv cov xim liab thiab ntsuab, dyed kaus poom cherries (rau kho kom zoo nkauj), qhov siab tshaj plaws siv yog 0.10g / kg;nyob rau hauv ntau yam dej haus, npaj caw, khoom qab zib, ncuav mog qab zib, xim kho kom zoo nkauj, Nyob rau hauv ntsuab plum, hawthorn khoom thiab dipped sab tais diav, lub siab tshaj plaws pab tus nqi yog 0.05g / kg.

Siv: cov ntsuas redox, xws li cov ntsuas rau titration ntawm trivalent arsenic, antimony thiab hydrazine;zaub mov, tshuaj thiab tshuaj pleev ib ce, cell staining nyob rau hauv cov ntaub so ntswg kab lis kev cai;xim photomicrography;wool thiab silk dyeing